Remember that you don't have to cover the whole IHS (Integrated Heat Spreader, the big flat silver top) because the actual die (part that generates heat) is directly in the center.
So, just put a small dab of grease in the center and plop the HSF down, that's it. Don't make it harder than it is.
Intel Q9400 | Gigabyte EP45-UD3P | G.Skill 2x2GB DDR2 1000 | XFX HD5870
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