The best mechanism for OVP support is the forums on SourceForge:

Flash Support:
https://sourceforge.net/projects/openvideoplayer/forums/forum/945491

Silverlight Support:
https://sourceforge.net/projects/openvideoplayer/forums/forum/945495

We also have the tracker for confirmed bugs and feature requests:
https://sourceforge.net/tracker/?group_id=243060