Another option is using sponsor hosted flv files ... there are a few out there that offer them for bloggers and tube use.

Try these: http://nats.hunkmoney.com/track/MTI6Mzoy/ HunkMoney
http://www.blueloot.com/00001/click....s=BL&p=020&b=A for RandyBlue
http://a.barebacked.com/ Barebacked has Hosted Tubes

http://www.wegcash.com/?wm=demonduck Wegcash has a whole slew of actual tube sites you can promo - so I'd assume they have hosted videos to use also.