Getting rid of aphids

I was out cutting grass firewood the other day and came across a massive hatch and brought home about half a quart of ladybugs. Besides this does anyone have any nifty tricks to keep them under control?

I was out cutting grass firewood the other day and came across a massive hatch and brought home about half a quart of ladybugs. Besides this does anyone have any nifty tricks to keep them under control?