Here's a nice LowePro Fastpack camera backpack, Model BP200. Lightweight, comfortable pack made to carry a digital SKR camera, lenses, flash and accessories. Tough, water-resistant nylon outer fabric protects your equipment from moisture and abrasions.  Side-entry compartments provide fast access.  You can customize the main compartment with adjustable dividers. 

Good, preowned original condition.  Careful packing and shipping $19.95 within the United States.  Sorry, no international shipping on this one except through eBay's Global Shipping Program.