Tragedy by dualbunny (Buffy)
That Don't Impress Me Much by ohsoleil (Criminal Minds)
Happy Working Song by mareeana (Leverage)
Muppets in Atlantis by Chayiana (Stargate Atlantis)
Get the Party Started by rhoboat (White Collar/Leverage)
Puttin' on the Ritz by killa and tzikeh (multi - I can't find a copy online anymore though I have one myself; I don't know what etiquette is about finding/sharing vids for these shows but happy to help out if useful and appropriate)