Simply save one of the below images to your favorite desktop or twitter page, or what have you. Then make sure and click the option to tile the background image. Then just let the magic of tile science finish the job.
Presto, you're work is done!
The first pattern, "Outer Spoofs", explores the incredible vastness of the limitless universe... and has some really neat space rockets.
Here's an example of what the pattern looks like on my desktop:
Pattern two, "Wet Whistles", celebrates hydration in a day and age where so many of us forget to moisturize our insides.
Here's an example of what this pattern looks like on my desktop: