diff --git a/examples/kml/kml.js b/examples/kml/kml.js
index 6c2e908..f4eb2d2 100644
--- a/examples/kml/kml.js
+++ b/examples/kml/kml.js
@@ -55,7 +55,7 @@
         }
         if (f.geometry) features.push(f);
       }
-      return {features: features};
+      return {type: "FeatureCollection", features: features};
     }
 
     return kml;
diff --git a/polymaps.js b/polymaps.js
index 3435d9a..8e2632e 100644
--- a/polymaps.js
+++ b/polymaps.js
@@ -2,7 +2,7 @@ if (!org) var org = {};
 if (!org.polymaps) org.polymaps = {};
 (function(po){
 
-  po.version = "2.2+1.0+1"; // This fork not semver!
+  po.version = "2.2+1.0+2"; // This fork not semver!
 
   var zero = {x: 0, y: 0};
 po.ns = {
@@ -1089,16 +1089,16 @@ function scanTriangle(a, b, c, ymin, ymax, scanLine) {
 }
 po.image = function() {
   var image = po.layer(load, unload),
-      url = "about:blank";
+      url;
 
   function load(tile) {
     var element = tile.element = po.svg("image"), size = image.map().tileSize();
     element.setAttribute("preserveAspectRatio", "none");
     element.setAttribute("width", size.x);
     element.setAttribute("height", size.y);
-    element.setAttribute("opacity", 0);
 
     if (typeof url == "function") {
+      element.setAttribute("opacity", 0);
       tile.request = po.queue.image(element, url(tile), function(img) {
         delete tile.request;
         tile.ready = true;
@@ -1108,7 +1108,7 @@ po.image = function() {
       });
     } else {
       tile.ready = true;
-      element.setAttributeNS(po.ns.xlink, "href", url);
+      if (url) element.setAttributeNS(po.ns.xlink, "href", url);
       image.dispatch({type: "load", tile: tile});
     }
   }
@@ -1128,7 +1128,7 @@ po.image = function() {
 po.geoJson = function(fetch) {
   var geoJson = po.layer(load, unload),
       container = geoJson.container(),
-      url = "about:blank",
+      url,
       clip = true,
       clipId = "org.polymaps." + po.id(),
       clipHref = "url(#" + clipId + ")",
@@ -1352,10 +1352,10 @@ po.geoJson = function(fetch) {
       geoJson.dispatch({type: "load", tile: tile, features: updated});
     }
 
-    if (features) {
-      update({type: "FeatureCollection", features: features});
-    } else {
+    if (url != null) {
       tile.request = fetch(typeof url == "function" ? url(tile) : url, update);
+    } else {
+      update({type: "FeatureCollection", features: features || []});
     }
   }
 
@@ -1396,14 +1396,17 @@ po.geoJson = function(fetch) {
   geoJson.url = function(x) {
     if (!arguments.length) return url;
     url = typeof x == "string" && /{.}/.test(x) ? po.url(x) : x;
+    if (url != null) features = null;
     if (typeof url == "string") geoJson.tile(false);
     return geoJson.reload();
   };
 
   geoJson.features = function(x) {
     if (!arguments.length) return features;
-    if (x) geoJson.tile(false);
-    features = x;
+    if (features = x) {
+      url = null;
+      geoJson.tile(false);
+    }
     return geoJson.reload();
   };
 
diff --git a/polymaps.min.js b/polymaps.min.js
index 3a01a0f..9bf03f9 100644
--- a/polymaps.min.js
+++ b/polymaps.min.js
@@ -1,6 +1,6 @@
 if(!org)var org={};if(!org.polymaps)org.polymaps={};
 (function(s){function fa(e){var g=e.indexOf(":");return g<0?e:{space:s.ns[e.substring(0,g)],local:e.substring(g+1)}}function S(){for(var e=0;e<S.maps.length;e++)S.maps[e].resize()}function V(e){return 360/Math.PI*Math.atan(Math.exp(e*Math.PI/180))-90}function W(e){return 180/Math.PI*Math.log(Math.tan(Math.PI/4+e*Math.PI/360))}function Z(e,g){if(e.row>g.row){var c=e;e=g;g=c}return{x0:e.column,y0:e.row,x1:g.column,y1:g.row,dx:g.column-e.column,dy:g.row-e.row}}function ca(e,g,c,k,i){c=Math.max(c,Math.floor(g.y0));
-k=Math.min(k,Math.ceil(g.y1));if(e.x0==g.x0&&e.y0==g.y0?e.x0+g.dy/e.dy*e.dx<g.x1:e.x1-g.dy/e.dy*e.dx<g.x0){var a=e;e=g;g=a}a=e.dx/e.dy;var f=g.dx/g.dy,m=e.dx>0,q=g.dx<0;for(c=c;c<k;c++){var t=a*Math.max(0,Math.min(e.dy,c+m-e.y0))+e.x0;i(Math.floor(f*Math.max(0,Math.min(g.dy,c+q-g.y0))+g.x0),Math.ceil(t),c)}}function da(e,g,c,k,i,a){var f=Z(e,g);g=Z(g,c);e=Z(c,e);if(f.dy>g.dy){c=f;f=g;g=c}if(f.dy>e.dy){c=f;f=e;e=c}if(g.dy>e.dy){c=g;g=e;e=c}f.dy&&ca(e,f,k,i,a);g.dy&&ca(e,g,k,i,a)}s.version="2.2+1.0+1";
+k=Math.min(k,Math.ceil(g.y1));if(e.x0==g.x0&&e.y0==g.y0?e.x0+g.dy/e.dy*e.dx<g.x1:e.x1-g.dy/e.dy*e.dx<g.x0){var a=e;e=g;g=a}a=e.dx/e.dy;var f=g.dx/g.dy,m=e.dx>0,q=g.dx<0;for(c=c;c<k;c++){var t=a*Math.max(0,Math.min(e.dy,c+m-e.y0))+e.x0;i(Math.floor(f*Math.max(0,Math.min(g.dy,c+q-g.y0))+g.x0),Math.ceil(t),c)}}function da(e,g,c,k,i,a){var f=Z(e,g);g=Z(g,c);e=Z(c,e);if(f.dy>g.dy){c=f;f=g;g=c}if(f.dy>e.dy){c=f;f=e;e=c}if(g.dy>e.dy){c=g;g=e;e=c}f.dy&&ca(e,f,k,i,a);g.dy&&ca(e,g,k,i,a)}s.version="2.2+1.0+2";
 var Y={x:0,y:0};s.ns={svg:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink"};s.id=function(){var e=0;return function(){return++e}}();s.svg=function(e){return document.createElementNS(s.ns.svg,e)};s.transform=function(e,g,c,k,i,a){var f={},m,q,t;if(!arguments.length){e=1;g=i=c=0;k=1;a=0}f.zoomFraction=function(l){if(!arguments.length)return q;q=l;m=Math.floor(q+Math.log(Math.sqrt(e*e+g*g+c*c+k*k))/Math.log(2));t=Math.pow(2,-m);return f};f.apply=function(l){var j=Math.pow(2,-l.zoom),
 u=Math.pow(2,l.zoom-m);return{column:(e*l.column*j+c*l.row*j+i)*u,row:(g*l.column*j+k*l.row*j+a)*u,zoom:l.zoom-m}};f.unapply=function(l){var j=Math.pow(2,-l.zoom),u=Math.pow(2,l.zoom+m);return{column:(l.column*j*k-l.row*j*c-i*k+a*c)/(e*k-g*c)*u,row:(l.column*j*g-l.row*j*e-i*g+a*e)/(c*g-k*e)*u,zoom:l.zoom+m}};f.toString=function(){return"matrix("+[e*t,g*t,c*t,k*t].join(" ")+" 0 0)"};return f.zoomFraction(0)};s.cache=function(e,g){function c(j){l--;g&&g(j);delete f[j.key];if(j.next)j.next.prev=j.prev;
 else if(q=j.prev)q.next=null;if(j.prev)j.prev.next=j.next;else if(m=j.next)m.prev=null}function k(){for(var j=q;l>t;j=j.prev){if(!j)break;j.lock||c(j)}}var i={},a={},f={},m=null,q=null,t=64,l=0;i.peek=function(j){return f[[j.zoom,j.column,j.row].join("/")]};i.load=function(j,u){var y=[j.zoom,j.column,j.row].join("/"),A=f[y];if(A){if(A.prev){if(A.prev.next=A.next)A.next.prev=A.prev;else q=A.prev;A.prev=null;A.next=m;m=m.prev=A}A.lock=1;return a[y]=A}A={key:y,column:j.column,row:j.row,zoom:j.zoom,next:m,
@@ -26,15 +26,15 @@ v=h.pointCoordinate(z,{x:d.x,y:0});n=h.pointCoordinate(z,d);h=h.pointCoordinate(
 M[F];if(v.element.parentNode!=C[v.level]){C[v.level].appendChild(v.element);a.show&&a.show(v)}}f.flush();a.dispatch({type:"move"})}var a={},f=a.cache=s.cache(e,g).size(512),m=true,q=true,t,l,j,u=s.svg("g"),y,A,C={};u.setAttribute("class","layer");for(var E=-4;E<=-1;E++)C[E]=u.appendChild(s.svg("g"));for(E=2;E>=1;E--)C[E]=u.appendChild(s.svg("g"));C[0]=u.appendChild(s.svg("g"));a.map=function(B){if(!arguments.length)return j;if(j){if(j==B){u.parentNode.appendChild(u);return a}j.off("move",i).off("resize",
 i);u.parentNode.removeChild(u)}if(j=B){j.container().appendChild(u);a.init&&a.init(u);j.on("move",i).on("resize",i);i()}return a};a.container=function(){return u};a.levels=function(){return C};a.id=function(B){if(!arguments.length)return l;l=B;u.setAttribute("id",B);return a};a.visible=function(B){if(!arguments.length)return q;(q=B)?u.removeAttribute("visibility"):u.setAttribute("visibility","hidden");j&&i();return a};a.transform=function(B){if(!arguments.length)return y;y=B;j&&i();return a};a.zoom=
 function(B){if(!arguments.length)return t;t=typeof B=="function"||B==null?B:function(){return B};j&&i();return a};a.tile=function(B){if(!arguments.length)return m;m=B;j&&i();return a};a.reload=function(){f.clear();j&&i();return a};a.dispatch=s.dispatch(a);a.on("load",function(B){if(B.tile.proxyRefs){for(var K in B.tile.proxyRefs){var h=B.tile.proxyRefs[K];--h.proxyCount<=0&&f.unload(K)&&h.element.parentNode.removeChild(h.element)}delete B.tile.proxyRefs}});return a};s.image=function(){var e=s.layer(function(c){var k=
-c.element=s.svg("image"),i=e.map().tileSize();k.setAttribute("preserveAspectRatio","none");k.setAttribute("width",i.x);k.setAttribute("height",i.y);k.setAttribute("opacity",0);if(typeof g=="function")c.request=s.queue.image(k,g(c),function(a){delete c.request;c.ready=true;c.img=a;k.removeAttribute("opacity");e.dispatch({type:"load",tile:c})});else{c.ready=true;k.setAttributeNS(s.ns.xlink,"href",g);e.dispatch({type:"load",tile:c})}},function(c){c.request&&c.request.abort(true)}),g="about:blank";e.url=
-function(c){if(!arguments.length)return g;g=typeof c=="string"&&/{.}/.test(c)?s.url(c):c;return e.reload()};return e};s.geoJson=function(e){function g(h){var n={lat:0,lon:0};return function(w){n.lat=w[1];n.lon=w[0];var d=h(n);w.x=d.x;w.y=d.y;return d}}function c(h,n){return h&&h.type in C&&C[h.type](h,n)}function k(h,n,w){return h.type in E&&E[h.type](h,n,w)}function i(){var h=a.map().zoom(),n=a.cache.locks(),w,d,r,o,z,v,L;if(y=="fixed")for(w in n){if((d=n[w]).scale!=h){L="scale("+Math.pow(2,d.zoom-
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-t+")",j=f.insertBefore(s.svg("clipPath"),f.firstChild),u=j.appendChild(s.svg("rect")),y="auto",A;f.setAttribute("fill-rule","evenodd");j.setAttribute("id",t);if(!arguments.length)e=s.queue.json;var C={Point:function(h,n){var w=n(h.coordinates),d=s.svg("circle");d.setAttribute("r",4.5);d.setAttribute("transform","translate("+w.x+","+w.y+")");return d},MultiPoint:function(h,n){for(var w=s.svg("g"),d=h.coordinates,r,o,z=-1,v=d.length;++z<v;){o=w.appendChild(s.svg("circle"));o.setAttribute("r",4.5);o.setAttribute("transform",
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+c.element=s.svg("image"),i=e.map().tileSize();k.setAttribute("preserveAspectRatio","none");k.setAttribute("width",i.x);k.setAttribute("height",i.y);if(typeof g=="function"){k.setAttribute("opacity",0);c.request=s.queue.image(k,g(c),function(a){delete c.request;c.ready=true;c.img=a;k.removeAttribute("opacity");e.dispatch({type:"load",tile:c})})}else{c.ready=true;g&&k.setAttributeNS(s.ns.xlink,"href",g);e.dispatch({type:"load",tile:c})}},function(c){c.request&&c.request.abort(true)}),g;e.url=function(c){if(!arguments.length)return g;
+g=typeof c=="string"&&/{.}/.test(c)?s.url(c):c;return e.reload()};return e};s.geoJson=function(e){function g(h){var n={lat:0,lon:0};return function(w){n.lat=w[1];n.lon=w[0];var d=h(n);w.x=d.x;w.y=d.y;return d}}function c(h,n){return h&&h.type in C&&C[h.type](h,n)}function k(h,n,w){return h.type in E&&E[h.type](h,n,w)}function i(){var h=a.map().zoom(),n=a.cache.locks(),w,d,r,o,z,v,L;if(y=="fixed")for(w in n){if((d=n[w]).scale!=h){L="scale("+Math.pow(2,d.zoom-h)+")";o=-1;for(z=(r=d.features).length;++o<
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+break;default:(L=c(r,n))&&o.push({element:d.appendChild(L),data:{type:"Feature",geometry:r}});break}h.ready=true;o.push.apply(h.features,o);a.dispatch({type:"load",tile:h,features:o})}var d=h.element=s.svg("g");h.features=[];n=g(n(h).locationPoint);if(m!=null)h.request=e(typeof m=="function"?m(h):m,w);else w({type:"FeatureCollection",features:A||[]})},function(h){h.request&&h.request.abort(true)}),f=a.container(),m,q=true,t="org.polymaps."+s.id(),l="url(#"+t+")",j=f.insertBefore(s.svg("clipPath"),
+f.firstChild),u=j.appendChild(s.svg("rect")),y="auto",A;f.setAttribute("fill-rule","evenodd");j.setAttribute("id",t);if(!arguments.length)e=s.queue.json;var C={Point:function(h,n){var w=n(h.coordinates),d=s.svg("circle");d.setAttribute("r",4.5);d.setAttribute("transform","translate("+w.x+","+w.y+")");return d},MultiPoint:function(h,n){for(var w=s.svg("g"),d=h.coordinates,r,o,z=-1,v=d.length;++z<v;){o=w.appendChild(s.svg("circle"));o.setAttribute("r",4.5);o.setAttribute("transform","translate("+(r=
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+return w}},GeometryCollection:function(h,n){for(var w=s.svg("g"),d=-1,r=h.geometries,o=r.length,z;++d<o;)(z=c(r[d],n))&&w.appendChild(z);return w}},E={Point:function(h,n,w){h=h.coordinates;n.setAttribute("transform","translate("+h.x+","+h.y+")"+w)},MultiPoint:function(h,n,w){h=h.coordinates;var d=-1,r=o.length;n=n.firstChild;for(var o;++d<r;){o=h[d];n.setAttribute("transform","translate("+o.x+","+o.y+")"+w);n=n.nextSibling}}};a.url=function(h){if(!arguments.length)return m;m=typeof h=="string"&&/{.}/.test(h)?
+s.url(h):h;if(m!=null)A=null;typeof m=="string"&&a.tile(false);return a.reload()};a.features=function(h){if(!arguments.length)return A;if(A=h){m=null;a.tile(false)}return a.reload()};a.clip=function(h){if(!arguments.length)return q;q&&f.removeChild(j);if(q=h)f.insertBefore(j,f.firstChild);var n=a.cache.locks();for(var w in n)q?n[w].element.setAttribute("clip-path",l):n[w].element.removeAttribute("clip-path");return a};var B=a.tile;a.tile=function(h){arguments.length&&!h&&a.clip(h);return B.apply(a,
 arguments)};var K=a.map;a.map=function(h){if(h&&u){var n=h.tileSize();u.setAttribute("width",n.x);u.setAttribute("height",n.y)}return K.apply(a,arguments)};a.scale=function(h){if(!arguments.length)return y;(y=h)?a.on("move",i):a.off("move",i);a.map()&&i();return a};a.show=function(h){q?h.element.setAttribute("clip-path",l):h.element.removeAttribute("clip-path");a.dispatch({type:"show",tile:h,features:h.features});return a};a.reshow=function(){var h=a.cache.locks();for(var n in h)a.show(h[n]);return a};
 return a};s.dblclick=function(){function e(a){var f=k.zoom();f=a.shiftKey?Math.ceil(f)-f-1:1-f+Math.floor(f);c==="mouse"?k.zoomBy(f,k.mouse(a)):k.zoomBy(f)}var g={},c="mouse",k,i;g.zoom=function(a){if(!arguments.length)return c;c=a;return g};g.map=function(a){if(!arguments.length)return k;if(k){i.removeEventListener("dblclick",e,false);i=null}if(k=a){i=k.container();i.addEventListener("dblclick",e,false)}return g};return g};s.drag=function(){function e(f){if(!f.shiftKey){a={x:f.clientX,y:f.clientY};
 k.focusableParent().focus();f.preventDefault();document.body.style.setProperty("cursor","move",null)}}function g(f){if(a){k.panBy({x:f.clientX-a.x,y:f.clientY-a.y});a.x=f.clientX;a.y=f.clientY}}var c={},k,i,a;c.map=function(f){if(!arguments.length)return k;if(k){i.removeEventListener("mousedown",e,false);i=null}if(k=f){i=k.container();i.addEventListener("mousedown",e,false)}return c};window.addEventListener("mousemove",g,false);window.addEventListener("mouseup",function(f){if(a){g(f);a=null;document.body.style.removeProperty("cursor")}},
diff --git a/src/GeoJson.js b/src/GeoJson.js
index 4e7f75e..b5802c6 100644
--- a/src/GeoJson.js
+++ b/src/GeoJson.js
@@ -1,7 +1,7 @@
 po.geoJson = function(fetch) {
   var geoJson = po.layer(load, unload),
       container = geoJson.container(),
-      url = "about:blank",
+      url,
       clip = true,
       clipId = "org.polymaps." + po.id(),
       clipHref = "url(#" + clipId + ")",
@@ -225,10 +225,10 @@ po.geoJson = function(fetch) {
       geoJson.dispatch({type: "load", tile: tile, features: updated});
     }
 
-    if (features) {
-      update({type: "FeatureCollection", features: features});
-    } else {
+    if (url != null) {
       tile.request = fetch(typeof url == "function" ? url(tile) : url, update);
+    } else {
+      update({type: "FeatureCollection", features: features || []});
     }
   }
 
@@ -269,14 +269,17 @@ po.geoJson = function(fetch) {
   geoJson.url = function(x) {
     if (!arguments.length) return url;
     url = typeof x == "string" && /{.}/.test(x) ? po.url(x) : x;
+    if (url != null) features = null;
     if (typeof url == "string") geoJson.tile(false);
     return geoJson.reload();
   };
 
   geoJson.features = function(x) {
     if (!arguments.length) return features;
-    if (x) geoJson.tile(false);
-    features = x;
+    if (features = x) {
+      url = null;
+      geoJson.tile(false);
+    }
     return geoJson.reload();
   };
 
diff --git a/src/Image.js b/src/Image.js
index 1c129bb..3794cbb 100644
--- a/src/Image.js
+++ b/src/Image.js
@@ -1,15 +1,15 @@
 po.image = function() {
   var image = po.layer(load, unload),
-      url = "about:blank";
+      url;
 
   function load(tile) {
     var element = tile.element = po.svg("image"), size = image.map().tileSize();
     element.setAttribute("preserveAspectRatio", "none");
     element.setAttribute("width", size.x);
     element.setAttribute("height", size.y);
-    element.setAttribute("opacity", 0);
 
     if (typeof url == "function") {
+      element.setAttribute("opacity", 0);
       tile.request = po.queue.image(element, url(tile), function(img) {
         delete tile.request;
         tile.ready = true;
@@ -19,7 +19,7 @@ po.image = function() {
       });
     } else {
       tile.ready = true;
-      element.setAttributeNS(po.ns.xlink, "href", url);
+      if (url) element.setAttributeNS(po.ns.xlink, "href", url);
       image.dispatch({type: "load", tile: tile});
     }
   }
diff --git a/src/start.js b/src/start.js
index 05ab1d0..873c39c 100644
--- a/src/start.js
+++ b/src/start.js
@@ -2,6 +2,6 @@ if (!org) var org = {};
 if (!org.polymaps) org.polymaps = {};
 (function(po){
 
-  po.version = "2.2+1.0+1"; // This fork not semver!
+  po.version = "2.2+1.0+2"; // This fork not semver!
 
   var zero = {x: 0, y: 0};