Yeah, thanks! That was my problem, I shifted the time of my layer which messed up with how the blur happened. I reset the time offset and rejiggered my key-frames and got it working properly. Using duplicates might be better, I was worried about how cost-effective it could be and would really ramp u...

I've been using the legacy motion blur option because I would like to have 'afterimages' for my characters when they're moving fast. Although, in this file I've been working on it has been rendering it backwards. Instead of trailing behind for roughly 18 frames, it's been rendering out about 4 secon...