Alrighty, since I was bored enough (hurrah for procrastinating on finals) and since sewluv asked, here's a tute for my bag in this thread: http://www.craftster.org/forum/index.php?topic=141631.0
Alrighty, to the tute!
step 1: cut out two of these shapes in your lining and outside fabric. The bottom with stay about the same (don't forget seam allowance) but keep in mind how scrunched you want the top, it'll get slimmer really quick. the depth gets a bit shallower, so add a little but to how deep you'd like it ideally.
Step 2: scrunch the top. You can do this with a baste stitch, or pleat it. I pleated it personally. But this takes FOREVER to pin.
step 3: stitch the top so that the pleats, scrunching stay put. You'll be very happy you did this later.
Step 4:Take the pieces of fabric and right sides together, sew around the edge. (orange is liner and the lines represent the wrong side.)
Step 5: place the liner inside the outside fabric. And sew around the tops so the two bag pieces are connected. raw edges should be facing out. Don't worry, you'll cover them up.
Step 6: Take the fabric you want as the band on the top and cut a strip that is long enough to go around the top of the bag where the seam is and wide enough that when it is folded over it's as wide as you'd like the band to show as. Add a half inch or so so you can hem the long ends. Cut two skinnier strips. These will be your handles. So make them as wide as you'd like. Remember these are going to be sewn folded in half.
Step 7: Hem the long edges (thin black lines) sew the short edges together to create a band and fold over. Place on bag to make sure that the band fits as close to the fabric as possible.
Step 8: Sew along the lines you sewed for the hem, attaching the band to that the raw edge is as close to the fold as possible.
Step 9: Remember the strap strips? hem the long edges and sew together so the raw edges and wrong sides are on the inside. Hem the short edges before doing this. Sew on using a box with an X inside of it to make it study.
TADA! Awesome slouchy bag. You can use interfacing too, but my fabrics weren't too bag on the stiffness.