Love the idea of watercolor tattoos. I'm not sure how long it would last, or if it would age well...
Tiny Tattoos for your first ink
"But without the dark we'd never see the stars" quote leg tattoo
Bird with Paintbrush by Doy
Tulle Wrapped Letter for Girl - Cool DIY Cardboard Letters, http://hative.com/cool-diy-cardboard-letters/,
night sky tattoo