When you log into Lomography.com and click on your username, you are transported to your profile. At the top of your profile, next to the word “About,” you will see two links with which you can edit your profile.
Simply click on “edit your photo and description,” and you will be brought to a screen wherein you can edit your profile text (in the “About You” section), and your avatar. Simply click the “browse” button in order to choose your new avatar from your computer, and then click “upload and save” once you’ve chosen just the right image. Your photo will be automatically resized to fit the page.