Blinking Tutorial

EDIT September 2010:
Wow this is old!
I thought I would update a few things.
FIRST: I use 5 frames now instead of 4. Order will be: Open; Half; Closed; Half; Open.
SECOND: My preferred timing has changed as well. I now use (in order): 1 sec; 0.05 sec; 0.1 sec; 0.05 sec; 2 sec.
THIRD: Just a recent example of what those timing changes will look like when put together: [link]
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This is for Photoshop users.
I have CS3 but I'm pretty sure that it's roughly the same for any.
If you have any questions, feel free to ask.
:]


I really hope that it's clear enough for anyone to understand.
I tried my best explaining it.
C: