Everything I’ve been reading, in the AE help files and on the web, indicate that AE converts cross-dissolves into opacity keyframes. I can confirm that this is what AE is attempting to do, it’s just not setting the size of the clips properly to accomodate the keyframes. I’m not rendering my previews in Premiere. I’m not rendering any thing at all. Just performing the cuts and applying a couple cross-dissolves. Regarding copy and paste from Premiere to AE, that exhibits the same problem.