"...and don't be mad Sin, and whatever... you will be mad anyways."
I'm not mad(but neither jump for joy) when some people here manipulate other people's work. I'm mad when they manipulate another's work and claim it's THEIRS.
So, if you specify from the start that your submitted icon is based on someone else's creation/s and you give credit where credit is due, then i have no objection.
Also, rereading the rules can be helpful sometimes.