I found this in a quick search of QB Tutes. I would put the strap handles all the way around the tote on the long sides of the tote.
http://craftyhipster.typepad.com/craftyhipster/sew-a-singer-featherweight-tote.html
Personally, I use a tote from when I went to a quilting camp. It doesn't have a top, but makes a great tote. Very heavy duty material and straps.
ali