I have this bag on my bag tutorials board, but it has a really cool method of boxing a bottom that I want to try out. Scroll down to the first of the pdf downloads for photos that show how to do this - it's very simple - just a fold and a couple of seams ... :)
Simple Six-Pocket Bag (18 more ideas at BHG http://www.bhg.com/crafts/sewing/accessories/easy-to-sew-bags/?sssdmh=dm17.616648=nwcu090412)
Porta travessas ou marmitas
Free pattern for a cute bag.
Sewing pocket tote bag - free pdf pattern paper download
DIY Easy Fabric Basket | DIY & Crafts Tutorials
pattern - Reversible Bag in Bag with handles and pockets. really cute!