I just wanted to let you all know about a good resource if you're a bit clueless like me about ways to play with your baby. "52 Activities for You and Your Baby" is a set of cards, each with an activity written by Lynn Gordon and illustrated by Karen Johnson. Some of them are really obvious activities that you could do, but there are also some really fun and creative ideas. It also contains words to fun rhymes and songs from when I was a child that I had forgotten the words to!
Here's the link to the product on Amazon.com: http://www.amazon.com/52-Activities-You-Your-Baby/dp/0811836290/ref=sr_1_1?ie=UTF8&s=books&qid=1212243476&sr=8-1