It's September and I just want to give one more plug to the
Sensational Butterflies exhibition at the Natural History Museum. They are closing on the 11th so you don't have much time left if you want to visit. It only costs £3.50 for an adult so its very affordable.
I've been a few times and seen something new every time. This links to my
earlier entry (with photos) and below are a few more images of some of the living exhibits: