Video Production Support

Hey guys, I'm looking for a resonably priced stock footage website. I've checked out artbeats, istock,pond5 etc. But all of these sites are ridiculously expensive. Does anybody know of a site that has HD clips for a resonable price?

http://www.footagefirm.com/ has some inexpensive footage, routinely offering "free" (plus shipping) DVDs, but it does not appear to be a large library.