I've mentioned Lulu on my blog before, but I'm mentioning her here again because she is offering up an awesome challenge in conjunction with her new design team gig at Cosmo Cricket. Be sure to check the challenge out by clicking here. Well, I decided to play along by creating this card: I went to my stash and grabbed my favorite sheets of "Girl Friday" patterned papers. I absolutely love all the designs in this line and have hoarded many of these pages for quite some time. I put it to use…