One of the best places to find patterns is of course Squidfingers. He currently has about a 150+ patterns which are great. I have personally used several of them. However, today I came across another Pixel Pattern Collection site by Kaliber 10000. k10 currently has just under 1,000 patterns. I have browsed around a little and most are great simple pixel patterns but they also have some fancy ones. A resource worth bookmarking.
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