I'm mixing a lot of 1920x1080 and 1280x720 footage together, but with the Project Properties set to 1920x816 in order to give me a 2.35:1 aspect ratio. All 1080p events are cropped to 1920x816, and all 720p events are cropped to 1280x544. However, I am experiencing a few problems with my 720p footage... I either get a black line running down the right edge of my image, or on the bottom edge. Track motion and / or re-sizing the crop doesn't seem to help me, unless I'm doing something wrong...

Any suggestions, guys?