Detail of photographer Clare Gallagher’s best shot. Photograph: Clare Gallagher

Photographer Clare Gallager’s best shot

‘I wanted to photograph the sun disappearing. Just as I did, my son peeped through the window’

Waving hello to our new Guardian tumblr dedicated to art and design. We’ll be pulling together some of the best posts on Tumblr so head on over and tell them the blogs they should be following.