Sponsor free hosting has its advantages and disadvantages. The first advantage is its free. The big disadvantage is you can only use that sponsors, banners and you can only use that sponsor as the sponsor of any page you build on that host. Here are a few sponsors that have  free hosting.

Netpond Cash One of the most trusted sponsors on the net.

Platinum Bucks Offers alot in a sponsor free host.

Adult Webmaster Cash Not only hosting but free submitters.

Tripple X Cash A lot of sites to promote.

You can find more hosting and sponsors at http://www.sponsorspy.com