To effectively edit images on the wiki you will need a decent image editing program. For more advanced edits, such as adding transparency to images, you will need a program that has layer capabilities. You can use any program that is capable of doing so to edit images for the wiki; however more basic programs such as MS Paint will not be effective. Many wiki editors use GIMP for image editing. GIMP is straight forward to learn how to use and can be downloaded for free here. The rest of this guide will cover how to use some of GIMP's basic functions and tools.