Create a Profile Picture in which the image is unresized

you may use textures, brushes, text, and any other effects that you wish (except animation).

For this challenge, I would like you all to use the following image as your base:

SPOILER!!: Sirius Black

I do realize that this is a large picture, but that is part of the challenge fun! What you need to do is use this image without altering the size of the original. You may use the image as many times as you like, but it should be clear that the image is there as its original large and gorgeous size.