I went to download the Shockwave Flash plugin for Firebird and the auto-detect thingy sent me to the download for jeffing Windows 3.1. Even when I manually downloaded the Netscape (read: Mozilla) version of the plugin and installed it, it won't work.
It worked fine in Mozilla and Firebird in 2k (and Mozilla in Linux, but I've never tried Firebird in Linux), but in XPee, it seems I can't see Flash unless I'm in IE.