Not quite sure how it works (gonna use it late) but I think your supposed to open it in a photo editing program (Photoshop, GIMP, etc.) and just do the rest from there. Best of luck.
Yes, I get it, my profile doesn't show up to anyone but me. I don't understand it either, but surely there are better conversation topics than my lack of a viewable profile.
I color my greentexting green because I [REDACTED] feel like it.