Vid-Biz: Ninjas, FFWD, House

Ask-a-Ninja Goes Social; popular online comedy series is using Ning to let fans build their own online ninja clans. Hi-kee-bah! (Ning Blog)

FFWD Launches Private Beta; people interested in the social network/video discovery service can sign up at the FFWD web site. (FFWD blog)

New House Episodes Not on iTunes; the hit FOX show calls in sick, citing production by NBC Universal. (Broadcasting & Cable)

Starz Bulks Up Vongo with Screen Media; online video subscription service will get 100 movie titles including Piranha and Johnny Skidmarks. (Video Business)

YouTube Launches Two Contests; Jason Reitman (Thank You for Smoking) to judge HP-sponsored short film contest; separately, people can win $25,000 for charity by uploading socially-conscious vid in conjunction with the upcoming flick, Lions for Lambs. (Reitman: Hollywood Reporter; Lions: Variety)