stick to one render, looks very cluttered. stick to a colour scheme, rather than randomley using different coloured c4d. read up some tuts, learn a few skills.
You deffinately need to look up a few tutorials Don't squash your renders to fit in the tag hold shift when your resizing them. Also you need to learn to blend your renders in with the tag it self. As of right now your tags look like you took a bunch of pictures and placed them into the tag. Read a few tutorials mess around with your filters, brushes, smudging, color scheme and render quaility.
