
Re: post icons
Click the Add an icon "button" next to where it says Enter your comment in the POST COMMENT box ... Note that the "button" doesn't exactly look much like a button, but click it anyway. (ElReg likes to camouflage clickable stuff; see "tips and corrections" at the bottom of articles, and "report abuse" on forum posts as other examples.)
ACs can't pick ... they automagically get the Guy Fawkes mask icon.
Beer. It may only be 9AM, but it's Friday :-)