I made these bags at the start of this week, one for myself and one for my sister! I used a tutorial I found at craftster, which I've used before for a bag similar, and I just love it!
I used this AWESOME eyeball fabric that was gifted to me from my Captain + Craft Wife - Thera Joyce! I used the fabric for the fronts of the bags, and just black drill for the backs and the strap and the zipper panel.
For the bag lining I used this hilarious animal-print fabric I salvaged from a ladies two piece I got from the op-shop! I also made a zippered pocket inside the bag and lined that with batman flannelette from a pair of boy's pj pants ((also from Lifeline)).
I put more pics of these bags on my blog, as well as links to the tutorials I used.