Can you add in some extra controls for masks?
It would be really useful to be able to scale and position masks in the same way you can a clip or a layer, including rotation and anchors. So when I assign an image to a clip I have more control over it's position.
Another great element in Resolume would be if you introduced a mask layer which you could set to mask either just the layer below it, or other extra layers you''ve selected.
Then I could use effects on that mask layer and basically work with it like it's a normal layer. Ideally using video, flash and images as the contents on that mask layer. (Pretty much the same way Flash uses masks really)