This are some online generators that will easily create stripped, dotted, pixel or patterns backgrounds , all you have to do is create and download your own.
There is many more Background resources online, this is just about generating your own using an online application. Hope you like them.
1. Stripe Mania
3. Colour Lovers (here you can color a Pattern or Design your own)
4. BG Maker
5. Background Patterns (may not work in safari, use Google Chrome or firefox instead)
Five more pages you may want to review.