Nice hack, except there's a problem with the instructions. The 'settings' query is screwed up.
Replace:
Code:
INSERT INTO setting VALUES ('sigmaxwidth', '480', '', '141', 'user', '640', '0', '0');
INSERT INTO setting VALUES ('sigmaxheight', '120', '', '142', 'user', '480', '0', '0');
With:
Code:
INSERT INTO `setting` VALUES ('sigmaxwidth', 'user', '500', '500', '', 112, 0, 1);
INSERT INTO `setting` VALUES ('sigmaxheight', 'user', '150', '150', '', 111, 0, 1);
Or else it will not show up in the AdminCP. Other than that, it works like a charm! Great hack!