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Thanks for asking.
Generally: 
- AirFoil should be controllable via the AJAX Remote exactly like with 
a "real" remote out of the box (sidenote: there currently is a 
backward incompatibility in iPhone OS 3.0, that'll require you to use 
two fingers for long presses - which will be addressed with a 
workaround in the upcoming, next RB release).
- Any configuration change will of course change what Remote Buddy does.
I'll need this information from you to get to the bottom of your 
problem:
 By default on my install none of the actions show up for Airfoil in 
the menu of the Ajax remote.
  - Just to get clarity: which menu do you mean? The menu that opens on 
your screen when you press the virtual "menu" button? Or the Menu 
displayed on your iPhone's/iPod Touch's screen when tapping the button 
"Menu" (with red background) in the AJAX Remote's launcher screen?
 I see where you add the actions in the configuration.  But when I 
use the ajax interface then nothing happens when i hit those 
buttons.   Any ideas?
  - Which part of the configuration?
- Are you using the AJAX Remote module "Remote" or the module "Menu"?
- If it is the "Remote" part: which buttons are you pressing? Does the 
Remote Buddy menu come up on the screen of your Mac when you press the 
Menu button of the AJAX Remote module "Remote" ?
- Did you make any changes to the configuration? If yes, in which 
areas? (If possible, send screenshots of these parts to info -a-t- 
iospirit com, so I can have a look.)
Thanks in advance.
Best regards, 
Felix Schwarz