I am enjoying myself lately doing "zoodles" (zen doodles, similar to Zentangles, but not copyrighted) and pondering ways to incorporate them into my art.  Here are couple of the first I tried:

They've also added a lot of dimension to my ATC's (artist trading cards). Here's a partially finished one:

One thing I'm working on right now is making glass slide pendants with my own handmade copper bails. I've made a few double-sided pendants that are musical in nature, and I'll soon have some out that are doodles.