These cards are great for speech delays, autism or any other disability.
http://trainland.tripod.com/pecs.htm — Excellent color pictures — half way down the page..
http://www.autistas.org/pecs.htm – The website is another language, but the pecs are in english.
http://www.dotolearn.com/ – The website is very informable. The black and white pecs are free, and you can do 1 inch, or 2 inch pecs or coloring pages.