If that's too much, try my favourite, Paint.Net which has an 'image resize' function. That's kind of one step up from the Paint software that Slinger suggests, but not really difficult to learn/use and much more powerful.
Thanks One in the queue to try
Music. Better kit gives more music Played last :
Bonnie Raiatt -Jeff Healey -Mogwai -Viktor Krauss -Lemon Jelly -Rick Smith -Pete Shelley -Steve Winwood -dZihan & Kamien -Blue States -Kiss compilations -Stephen Stills -Underworld -Dogs die in hot cars -Robert Palmer -Owen Pallett -Robert Downey Jnr -Jonny Lang -Gerry Rafferty -Moby -X Press-2 -Huey Lewis & the News -Banco de Gaia -Jon Hopkins -Awolnation -Bajofondo -Bent -Level 42 -Chris Rea -Rick Springfield TAD/Technics/Coherent