Chroma Key Video editing - Export FLV

We need today, 23 of february 2007, a specialist in Chroma key video editing. We developed a 20s video containing a cafe with people sitting at their tables with a blue chroma key background. The blue background needs to be transparent and the video must not jitter Export Format has to be a FLV (FLash Video) File. Its essential that you have a very quick internet connection to be able to download some hundred MB and to upload them again. The delivery date is the 25th of february.