You have stumbled upon my, luisadeza's, graphics storing space. If you search for something specific, have a look at the tags, otherwise just take a look around.
There are, however, a few rules: 1. Please don't alter my icons unless I state otherwise. I'm usually not fussy about people adding text for example. 2. Please credit. If you're unsure how to do it, have a look at this.
Any doubts or requests? Comment on this post. Want to affiliate? Do the same. :)