Depends how complicated you're looking for. There's a lot of preference involved as well. My method is really labor intensive right now. The Wraithlord's Tsons are awesome, you might ask him how he got his done. There's a few others around here for sure.
There's the equivalent of a tutorial in my project log, done on a terminator lord, but so far the pics only cover getting the blue done, and they're not the greatest. Check out the sig if you're interested.
Beyond that, just keep doing what you're doing, and ask around.
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