Colonial_Africa_2.3.xml
and some test images, large and small, with 88s for centering:
The only change I recommend for the graphics is adopting the more common spelling of Djibouti (with the "o"). (That's the way I went ahead and spelled it in the XML.

I intended to put the rest of this in one big spoiler, but that seems to surpass some limit, so I have divided it into these spoilers which describe all the changes since the last posted version (1.19, last August!)
Look on my works, ye Mighty, and despair!