Spend some time looking into remotecentral.com, there are some good tips and tricks there. You can download some icons to use for special channels etc. I haven't done it yet but will when winter comes around later this year and I spend more time inside.

http://www.remotecentral.com/cgi-bin/mboard/rc-harmony/thread.cgi?6436

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70