Stealing Instructables is a time-honored method of receiving acclaim and attention that lazy people would not otherwise receive. Plus, you can email your friends who would not normally visit the website and show them all the excellent work you've done, and they'll never know the difference. They'll be overly impressed and buy you dinner.*
There is a subtle art to taking that which isn't yours, and it all boils down to the golden rule: Do that which is the least amount of work. Now, on to acquiring your very own instructable!
*See step 5 to claim dinner prizes
Step 1: Steal Original Ideas
Coming up with a good idea is often the hardest part of making a fantastic instructable. Luckily, you can just surf the forums and find plenty of mentions about instructables people are working on or think someone should make. If you choose an idea someone is working on, you should publish it quickly to support your case that you had the idea first. If they mention it in passing or otherwise indicate they have no intention of publishing it, you can procrastinate a little more. You may even want to wait until someone else does it, so you have something better to steal. The most important part is to make everyone think it was your idea.
~~In fact, this instructable idea was found while sifting through the forums.~~ I thought of this instructable entirely on my own. I know you're impressed.