I found a great online tutorial for making dog sweaters (you’ll be cranking those pups out in no time).
Here are a few Ravelry knitting patterns to get you started, and while you’re there, join the group: sweaterpups (all one word)
http://www.ravelry.com/patterns/library/cabled-dog-sweater-4
http://www.ravelry.com/patterns/library/dog-sweater-19
http://www.ravelry.com/patterns/library/prep-dog-sweater
http://www.ravelry.com/patterns/library/the-dragon-slayer-dog-sweater
http://www.ravelry.com/patterns/library/hoodie-dog-coat
http://www.ravelry.com/patterns/library/biscuits–bones-dog-coat
http://www.ravelry.com/patterns/library/0-836-dogs-jumper-with-norwegian-pattern
http://www.ravelry.com/patterns/library/cabled-dog-cardigan-l40178
http://www.ravelry.com/patterns/library/buster-2
Crochet patterns:
http://members.optusnet.com.au/we2/cabledog.html
http://www.doggoneknit.com/patterns/crochet/onepiecesolid.html