http://coreplayer.com/content/view/28/69/
Coreplayer mobile ($29.95) is the newer version of TCPMP (no longer open source). It has youtube search capabilities built in and works fine with the latest ROM updates posted on this site, as it is self contained and does not rely on any additional files.
Youtubeplayer as mentioned in an earlier post is a freeware app with similar functions, but my version stopped working following a ROM update. Download by clicking link below.
http://forum.ppcgeeks.com/attachment...3&d=1213035790
The TCPMP/Flashvideo bundle also flaked out on me following an update or two (or twenty). Here are the links...
http://forum.ppcgeeks.com/attachment...6&d=1185826609
http://forum.ppcgeeks.com/attachment...1&d=1201194177