Personally, I think you're starting in the wrong place. You have a very elementary understanding of what an LFO does and you're rarely going to find a sample of some effect you've heard in a noteworthy track. The tutorial master list and forum FAQ is the easiest way to get started.
Low Frequency Oscillators can be used to affect a number of variables, from the amplitude and pan of the oscillators to the frequency position and resonance on a filter. White noise from one or more oscillators can be routed through a narrow-band notch filter, modulated with a slow attack ADSR envelope, to achieve a "shooting star" effect - it sounds more like a clean whistle than white-noise and it's kind of old-school.
But, honestly, white noise sweeps are kind of old-hat, as well, and with the amount of time you'll spend learning how to adequately pull off a cliche', the scene will have moved onto some new hackney sound, like gated amplitude, saw-tooth, high-pass filter sweep transition.
Well, maybe not like that, but I was trying to come up with something that sounds worse than the trite white-noise sweep which has replaced the snare-attack build.
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Now with extra singles!
my old stuff, not quite up to snuff - but I still dig it - UPDATED 9/23/2012
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