opt-in/out: The question was about the installer and to don't install the toolbar by default (the user has to disable it, if he doesn't like it) but only if the user enables it on his own.
3D flip: In Win-Vista and above press [WIN]+[TAB] (instead of [ALT]+[TAB]) - in WinXP usable with additional tools like WinFlip. human -- <http://forum.pspad.com/read.php?6,57606,57616> PSPad freeware editor http://www.pspad.com
