As some people may have seen, I'm trying to get this working on the Ubuntu laptop of mine. I've got as far as installing it now but when I run it it's not running as it should.
The screenshot below is what I always get, and when I try to make a brush on the blank black map box, the map will flicker to how it should look back to its blackened state currently.

I'm pretty sure I have the necessary packages installed on my system, but I'm not sure how to check to see if I do or not. But I do have OpenGL and X11.