Scrapbook News and Review magazine
Alpha and/or numeric sticker letters
Now that you have your base you could kick it up a notch and add some stamped images or maybe even some embossed images. If you want to define the sticker patterns you can outline them with stickles or maybe even add some textured pastes. Because the stickers are covered in gesso/paint first, leaving you with a neutral base, you can combine leftover stickers from several different sheets to create a single background.