'The first few blocks of a scrap quilt always look terrible. You just have to keep going. The more variety you add, the more things will play together and the better it will get. Push yourself forward because odds are it will improve.
"Attic Stairs" is a no-thinking-required scrap-buster. As you generate scraps from other projects, cut and toss into 2 piles: one dark and one light. Sew pairs, then trim into final size. Different scrap quilt.