Worth a thousand words
Using an image
Adding it to an article
Review of what you've learned
To use an image on Wikipedia, it must first be uploaded. However, there are some important restrictions on what images Wikipedia can accept. This tutorial introduces you to the relevant rules and guidelines.
First things first: if you do not already have one, you will need to create an account in order to upload images.
Hopefully, your image(s) will be improving an article very soon!