http://www.bbc.co.uk/northernireland/livingworld/florafauna/spiders.shtml said:Zebra Spider
Zebra spiders belong to the family Salticidae (also known as jumping spiders) who are believed to have the best eyesight of any arthropod. If you take a close look at one of these spiders it will often turn its head to look straight back at you.
Tiny little fella, an idea of size is, its sitting on a 2 pence coin.
canon 450D, efs-60mm macro, and a bit of plastic f11, 1/200s, iso 100
Zebra - Jumping Spider by mick.1965, on Flickr