If you had to choose just a few things:

[onyx'girl]

I've never fed tripe from anything other than grass fed cattle. None of the places I've ever purchased it from would sell a grain fed tripe.
The OP asked this question;

What do you feel are the most important raw meats/organs/etc for your dog?

My answer is still green tripe.

[GoSailGo]

Originally Posted by onyx'girl

edit: This is a place I found googling vancouver: Vancouver Raw Pet Food For Cats And Dogs - Green Tripe, Organic Supplements And Treats

Heeey that could work! And its right next to the horse store. Great way to go broke in one trip.

[GoSailGo]

Originally Posted by carmspack

There are many books which teach you how to ferment your own vegetables , common to Asian cooking , even sauerkraut is excellent.

You can feed fermented veggies to dogs!?