In my honest opinion I wouldnt work with animation until you have the main part of creating a signature down. Animation can ruin a signature if not done properly. I like how you took the red from your renders to make the backgrounds, that helps with blending but the signatures are a bit plain. try working with some more effects such as using brushes, clipping masks, or c4ds. You definitely have the right idea you just need to incorporate a few more things. keep it up ^.^