Aran Pocketbook Debut

The bag is done and I had a great time sewing the whole thing together! I think its really interesting how the strap also forms the sides of the bag. I think I will use this alot seeing as though the bag can handle the weight of my normal everyday pocketbook items. And now for the stats:

Reynolds Lopi yarn in color #0085, knit on size 8 needles. The pattern is from Bags, A Knitters Dozen, and designed by Edie Eckman. I used 1/4 yard of fabric for the lining and a cool button from my LYS!

The only thing I am not thrilled about is the lining. I love the fabric, but its just not sewn in great. I think I made it a bit big, so it doesn't lie completely flat inside the bag unless there are things in it. I also decided to line the flap which made it a bit more complicated. I used a beige thread, which I think looks nice. So, does anybody have any suggestions for how to tack this lining down into the bottom corners? I tried to sew it down last night, but it didn't work to well.