How to make your own yard sign or bumper sticker Yard sign from Walmart, 11x14 poster for about $5.00 or 20X30 for about $16.00(laminate $3?) Magnetic bumper sticker from Walmart, 4x6 for about $5.00 1. Download the graphic from this site 2. Click to http://photos.walmart.com/store 3. Follow the instructions to upload the image you downloaded in step 1 4. Complete your order online and pick up in about 7-10 days. Tip if your ordering 10's and 100's then try your local print shop for competitive prices.