(Applies to: all versions of FusionBB)
To adjust this Site Permission, go to:
Admin Control Panel >> Permissions >> Site
- Scroll down to the setting Can use uploaded avatar and click this heading. From here, check the box to grant permission to a given group.
- The box to the right of this is the maximum allowed size (in bytes) of the avatars. Adjust this as needed and then save your changes.
Thanks to Honda Guru and PatrickD from the FusionBB messageboards for the topic suggestion and answer