What does Gimp have to do with Twitter? If you haven’t already, first of all see [[Open source madness – Customizing my Twitter page with Gimp]].
Now, isn’t this overkill, you may ask, using Git to version graphic design work?
Well, not really. The whole idea of using Gimp is to have a kind of source file, which then generates your Twitter background. Then, say you want to go back to a previous version, if you are using any kind of version control system, you can go back in the time machine and generate from there. We’ll use [[Git and Cogito on Ubuntu|Git]].
Open up a terminal on your working directory. Perform the following commands: