I wanted to make a huge spherical helmet, and along the way found the UK Space Agency logo which would make a change to NASA. Used Pattern Paint to add the logo to his arm.
Astro.jpg (190.64 KiB) Viewed 1610 times
Block.png (52.53 KiB) Viewed 1608 times
I added a second pass to make the back light effect, and used Screen mode in GIMP to mix them together (with a copy of the backlight blurred for a bloom effect)