http://www.uploadit.org Just sign up for the free version, browse to the location of your picture on your PC, upload the picture and copy the url once uploaded. Click on Img tab when posting in here, paste the url and click on *Img to finish.
Thanks for all your help. Still can't get the size right. I promise this will be the last, if this doesn't work I'm off to the workshop to take it out on some wood.