Anyways, here it is- my favorite method of color changing while doing c2c. You know how to size and shape it, and how to do increase and decrease stitches.
First up, we've finished color A. There are 2 different types of color change, for increase and deacrease stitches. Remember, I use liquid stitch to help me here, I find it helps me save on yarn to not have to leave 6 to 8 inches to weave in properly and I've yet to have anything I put liquid stitch on pull apart under normal use.
To INCREASE color change: First, take your hook and work it through the last loop made as well as the top loop of the inside of the last dc(the 2nd pull up a loop motion). Note the I already cut color A and pulled it through.
Then I stop and weave in the tail of color A and return to the end of the chain. I turn and do my 3dc in the 1st 3 chains, working of the tail of color B as well. Slip stitch over the tail of color A and continue your row.
To DECREASE color change. Tie off color A, and insert your hook in the space between the chain and first dc(the space where you slip stitch to. Chaining over BOTH the working yarn and your tail, chain 3 of color B then make the rest of your block.
I'll come back and clean this up, in a month or two, so leave a comment with any questions and I'll try to include them. 8 days until I order my camera, and a learning curve, and I'll be redoing pictures for most everything, but I wanted to get this out there because I know some people have been waiting for it.