Harry Of All Trades
Posting Mad!
I use Inkscape. It's a vector graphics program and it's free. It makes it easy to create and position text on your thumb. I just set the document size to 1920x1080 and work from there.
Other people mentioned GIMP. Inkscape and GIMP make a good combo to have as they complement each other well.
Other people mentioned GIMP. Inkscape and GIMP make a good combo to have as they complement each other well.