For donor commands, how about adding the ability to also resize your character, and also resizing your torso as well, as donors can only resize their hands and head. This is similar to what NGS does with their resize commands, and this will make Donator+ more appealing. If you think it might...

TF2Sounds actually still exists, but under a new domain now: http://tf2.portal2sounds.com/

How about you add the evil Merasmus laugh: https://wiki.teamfortress.com/w/images/9/92/Sf12_appears09.wav Make sure to name it as "Merasmus laugh"