Click on the BROWSE tab on top of that page in phpMyAdmin, and then you can see a bunch of profiles at once. Scroll to check the USER_AVATAR_HEIGHT and USER_AVATAR_WIDTH columns to see if things look right or not...
GangsterBB.NET (Ver. 7.6.1.1) PHP Version 5.6.40 / MySQL 5.7.23-23 (was 5.6.41-84.1) / Apache 2.4.54 2007 Content Rulez Contest - Hon Mention UBB.classic 6.7.2 - RIP