Choose the caption bubble to begin. If you want to upload a custom bubble or alternative image then submit the caption first, then edit the comment and attach a "Place img". Once the image is approved you can use it by editing the caption again.
Pretty sure; because they both seems enough independent to not try a game just to make money, and enough passionate in quake as a hardly skilled and original game;
I may of course be wrong, but in that case i wouldn't really blame they.... they both just gave me enough that they could even retire tomorrow :)