www.Webnews.de can handle it !
Register and go to Videos..
Click on Video verlinken ( link Video )
Link Video from any site which have the <embed> tag and a Video or flash file in it !Doesn´t matter what kind of engine the other sites are using (almost) !
The parser save the embed code from the website into the discription and displays videos with a looklike greybox..Or is that a greybox ? :-)