>>1828241Deviantart has a bunch of ready tiles, like:
http://chambertin.deviantart.com/art/Backgrounds-2-111327363Just open in photoshop and go "Edit > Define pattern..." and give it a name, then make a new document in your desired resolution and go "Edit > Fill... > Contents: Pattern > Custom Pattern (select previously defined pattern here)" and you're done.
If you like the pattern but not the colors it's pretty easy to switch the hue or even give it a gradient map overlay. Google's your friend.
If you still can't find exactly what you wanted in DA, you could do a seamless texture tile yourself, but it's a bit on the long and boring side of Ps jobs.
Tutorial on how to create a pattern off a picture:
http://design.tutsplus.com/articles/how-to-turn-a-texture-into-a-seamlessly-tiled-background--psd-1565Tutorial on how to make simple patterns with brushes:
http://www.photoshopessentials.com/basics/repeating-patterns-intro/Like that I made this wallpaper (see image) in 20 seconds flat, using just pre-set pattern tiles and a render of Tonnura-san.
