Ok. Added support for the message editor icons.
To upgrade, you'll need to go the the USD_INIT plugin, and copy everything between the /*******************User configurables****************/
and the
/****************** End User Configurables**************/
markers. Once you've done that, import then updated product, go to the USD_INIT plugin, and paste what you copied from the old plugin back to this plugin, in the same spot.
I'll try to make it configurable from the AdminCP on the next rev.