Go right ahead with moving the topic to the GroovyMame forum. I apologize for not responding sooner, work's been pretty busy at Walt Disney World lately. Here's a copy of the VMMaker.ini file.
monitor_specs_0 = "15625-65000, 40.00-120.00, 0.369, 2.092, 2.462, 0.090, 0.090, 1.110, 0, 0, 768, 768"