I'm using Olga (http://www.stillwellaudio.com/?page_id=37) and I can't save it's settings via AM's presets.
Is this AM or Olga?
Lots of other VST's dont support the preset settings. Try using a crossfader and create two patchers with different settings. so you can easily skim across.
What is AudioMulch?
What's New in 2.2?
Profiles & Interviews