I recall seeing a knit pattern for the Corgi. Both the knit and crochet ones are adorable. This pattern uses Rowan Cashsoft wool yarn, which is a DK weight.
Btw, we have a tricolor Pembroke Welsh Corgi.
http://www.allaboutyou.com/craft/pat...itting-pattern
Our dog looks similar to this one:
http://en.wikipedia.org/wiki/Pembroke_Welsh_Corgi