my film viewer doesnt work. nothing happen when i drag films over it; or when i have film viewer open a film.
just for curiosity's sake, when you clicked File-> Open ( or Film-> Open )to open a film after you clicked on the film and then open at the bottom, did you wait for the film to finish loading ( can see this in the status bar at the bottom left of the film viewer ) once it loaded did you click on the play button?
if you have a Large film it will sometimes take it a few seconds or more for it to load in the film viewer before you are able to click play....... once it is loaded you will probably be seeing the cockpit or be seeing whereever you was in game when you started the film...... until then you will be viewing what looks like a blue sky or just the horizon or what have you.......
try it again but give the film some time to load first, then click play
hope this helps