I was trying to upload a flv file to my smugmug area but failed. Even though the smugmug wiki page says it allows flv files, all upload methods failed on me. The html5 uploader will give a warning and stops, the java uploader will not allow you to pick any flv files, while the ole faithful uploader will allow you to upload any files but I was stuck at the “image processing” icon forever.
I then decided to convert my flv file to a more popular/acceptable format. After a few trial-and-error, I found this free program called FLV Converter. It’s absolutely amazing, does exactly what it claims. You can convert any flv files to avi, mpeg, wmv, mov, ipod, mp4, 3gp, and mp3. Hope you find this program useful!