I do quite like the "all seasons" tree . This was my first initial thought for a logo (just not a painted style like this) but I'm pretty sure it's been done more than once so it'd need some work to make it original.
Hummingbird tattoos mostly represent overcoming a difficulty situation. Further, it has other meanings which include joy, love, hope, charm, life and other different cultures and people. Hummingbird is a peace symbol.