I'm still playing around with new ways to convert these to smaller, yet quality files. The best I could do for now is xvid, which if you've got the codec, great, but if not they won't work.
The good news is, that codec is free to download and install, and after you do it should load just fine in Windows Media Player or whichever video player you use to watch this stuff.
Here is the link for the codec to watch .xvid files:
To tide you over while I upload the rest and try other conversions: