Version 1.0:
This addon takes a screenshot when you earn an Achievement.
Version 2.0:
This addon now takes a screenshot when you Level Up, as well.
Version 3.0 BETA:
This addon takes a screenshot when you reach a Reputation Milestone, as well.
There is now an Options Panel where you can select which events you want screenshots of. Open it by typing /as or /screenshotter.
Version 3.0 BETA2:
Debug messages are turned off.
Version 3.0 (Release):
No changes since BETA 2.
Version 3.0.1:
WoW no longer thinks the mod is out of date. Changed the title on the options panel.
The screenshots are saved to the \World of Warcraft\Screenshots folder just like any other screenshot.