How to disable screensaver with "Timers off" profi

[Chupacabras]

I have ThinkPad R60 with Windows Vista (everything updated).

There are several power management profiles (one of them is "Timers off (Presentation)").
Unfortunately this profile does not disable screensaver.

Is there any possibility to force power manager to disable screensaver when "Timers off (Presentation)" profile is active? It's getting pretty anoying.