This is Not the JM2 but the MILLER TEXAS GEM also by Jim Miller the first of the three variants..
The yellow one is Pushy Galore
See article..links
MILLER TEXAS GEM | Simanaitis Says
Miller JM-2
1000AIRCRAFTPHOTOS.COM
Aerial Visuals - Airframe Dossier - Miller JM-2 Special, c/n M104, c/r N414M
WWW.AERIALVISUALS.CA
This Aerial Visuals page provides airframe history details of a specific airframe from the airframe database.