
While as YouTube does not accept swf format, here are a few options through which you can upload the swf animation into your Youtube account:
1. By Exporting the Video file direcly in WMV OR MOV format which is compatible with youtube formats and upload the same.
2. Screen cast & record the animation
Click here to learn more about screencasting which can help you once you screen cast with your favourate
3. Convert the SWF file into Avi using a freeware utitlity www.avi-swf-convert.com
4. Once you get the final version of the video, log-in to your account and upload the wmv OR mp3 version.