I don't do TGPs, even less movies, but I was curious about your very high click through ratio and went to check out your page.
In my opinion, you are (not on purpose, it seems) using blind links to send surfers to the sponsors. The movie captures are too close ant too blended to the sponsor links, many surfers don't look at the status bar before clicking, and they may end up at the sponsor when they thought they were downloading another movie.
Suggestion (not to improve conversion ratios, but to get a more realistic value): change position and wording of the links to make clear to the surfer they are going to a sponsor.
Just my
