You can always opt for something small, like matching Tim Burton moths. | 27 Stunning Reasons To Get A Tim Burton Tattoo
This is a totally different style to what I was planning, but it's incredibly pretty, and might suit a smaller design better.
Skull finger tattoo
Skull Finger Tattoo Designs
55+ Examples of Watercolor Tattoo | Cuded. I wonder if I could do something like this with my existing tattoo...