OK here is the link to some free software so you can veiw the plans
http://www.freebyte.com/cad/cad.htm
Here is a couple of sites were you can find free planes You will be able to scale down as needed to fly them electric first hind when you scale something the notches are no longer standard size so some trimming will be required.
http://plans.rcmodell.hu/index.html
http://plans.am.free.fr/
Hope you find what you are looking for Also check out the magaine RC modelers web page they have a lot of plans that can be purchased Good luck