See if this link may help you out some...
http://www.stevedgood.com/breeds.pdf
(check page 5- I think it was for the spanial pattern)..
Here is a catalog of LOTS of free scroll saw patterns.. and under many of the pictures, is a link to the PDF pattern, with variations of the same theme.. so be sure to check them out when you get the chance.. LOTS of great ideas there..
http://www.stevedgood.com/web/catalog.html
If it's an actual portrait your wanting to do, one of the members here does a great job of turning pictures into patterns.. but I'm sorry, I can't remember who it is now.. Maybe someone else here remembers??
Here is a link to a forum on scroll sawing.. and one of the threads in there had a series of instructions on the basics of how to turn a picture into a scroll saw pattern by one of the moderators by the name of Charlie Dearing (scroll saw expert, artist, author etc).. If I remember right (50/50 shot at that LOL), it was under the Pattern Requests section or General Topics, not long after the forum started (about 6 months ago)..
http://www.stevedgood.com/community/index.php
Here is a link to a thread that shows what some of the PROS use for software, if your thinking of making your own pattern by going that route..
http://stevedgood.com/community/index.php?PHPSESSID=f9f24c962880c4aae40ad64e9ab93387&topic=578.0
Ah-Ha - I found the first thread Charlie did....
So you want to know how I make patterns?
http://stevedgood.com/community/index.php?PHPSESSID=f9f24c962880c4aae40ad64e9ab93387&topic=729.0
I think there were 2 others in the 'series'... those your on your own to find.. hehehe
Good luck and please let us see how you make out..
Hope this helps some..
Ez