We do not have any sort of donation box (yet), but what we do have is the Purples Affinity Program!
The way the Purples Affinity Program works is that you link to us using one of our buttons or banners, and in turn you get some cool buttons or banners on your website. That's really all there is to it. To do it, add the following code to your website (for each button/banner):
PLEEEEEASE download the buttons/banners yourself! Besides, what are you, an animal?? Anyways, here's what our stuff looks like: