Trying to use the DivX 4 decoder for DivX 3.1 content could help. Also, make sure you have the latest version of your video drivers.
Try searching the internet for a way to flip YUV video during playback through DirectX. There may be a registry key or setting that enables it.
Also, some video players like Sasami2k can flip the video:
http://www.sasami2k.com
I've heard from some people that DivX 4 is good for capture, so why not try it out?
-Cart
http://www.geocities.com/lukesvideo/index.html