Promotional Video

I need someone who is english speaking, quick to do a job and is good at making a promotional video. I want to see samples before I choose the right freelancer. Job is ready to start and will conist of a 1 minute promotional video which will include images and videos with text over some of these. I have all the information laid out in the order I want I just need someone professional to design it and give me some advice on the best possible way to make it look good. Thanks