1. Go to Communities > Special Events > Friends Asking Friends > Kintera Thon
2. Hover over the Thon name and click Website Info
3. Click on Image and Text Library for Page Customization
4. Under Manage Images, mark the checkbox for "Allow participants to upload their own images for their custom pages"
     - You also have the option of enabling "Allow participants to upload two images to be displayed side-by-side on their personal pages." or "Allow Team Captains to upload two team page images."
5. Click Save
6. Update your event