Curious - the bgrhatchetmar.ico was size 22x26 (32), the later favicon.ico was size 22x22 (32) - and the superman-icon was 21x18 (32). I resized the favicon.ico to the "superman-size 21x18" (32) and put it into the shellres96 in attachment. Just try it out...
(make sure you take the right dll now
