There is a small write up on scalping in this months (Oct) [in the forex issue] stocks and commodities about page 80 or so ... short read but interesting non the less R.D.
my system is simple: draw trendlines when you are in congestion bands. once you break above the trendline, follow the trend. this works on a small scale as well (doesnt have to be at 30min+ intervals, for example) for us scalpers :>
Here is a simple method for crazy scalper. I don't do this by the way so tread at your own risk. http://www.trade-ideas.com/Help.html#IDH1