One very symbolic tattoo that you may consider is the pink ribbon tattoo. Pink ribbon tattoos are extremely meaningful to the women and men that wear such tattoos. Pink ribbon tattoos are used to represent breast cancer or a loved one that has.
Hummingbird with flowers tattoo - A part of me really likes how they did this. Another part of me wishes it showed the hummingbird stealing the color from the flower. (your another part has a good idea)