This has been discussed in the past, but here's a new FR:
>>> http://i.imgur.com/lpfSHUc.png
The displayed icons would be those for the listed plug-ins.
The images would be generated by Reaper only when a plug-in is scanned (deeply), stored in AppData somewhere and could be subsequently edited by the user.

The displayed icons would be those for the listed plug-ins.
The images would be generated by Reaper only when a plug-in is scanned (deeply), stored in AppData somewhere and could be subsequently edited by the user.