^I'm confused. How does one go about doing that? Do we just put it in a topic somewhere or somthing?
No, it must have been uploaded to the site already. Only images you find on the site can be used. You don't pick just any of your own pictures, you use one of the images we have.
I tried one that was saved on to PKMN.NET, but it stil didn't work
What's the URL to the image, so we can check it out? I can't see what's going wrong if you don't tell me basic information like that.