I need good advice on simple small linux to use on eeepc 4g early asus machine

I have used xp, linux natty nahwal and others but all use too much resources and I want to completly start again (including mem card)
any easy suggestions very welcome and how to do it easily?
since no external CD,
I could use bootable memstick but need link to make it bootable and linux distro to follow!!

ta in advance