You can approve as early as by level 6 - you needn't wait till level 10 for that. You can also post any HTML you like on your homenode past level 5, which means you can make an image tag that points to a script which returns a random image. Most of the top ranking saints already post something or other every once in a while; and some of them are quite busy outside Perlmonks and might not jump at the chance to take yet more duties..

And why do we need more privileges anyway? Just because? The system ain't broke, so why fix it?

Makeshifts last the longest.