Using Different Chapters in skirmish mode

[Kadavi]

I select the chapter I want to pay, but I always end up with the Blood Ravens! Help

[Guilliman]

where do you select it?

When you start a game in skirmish, you have to:

Shoose map.
Then select the computers and all
AND!!!: you select who you are (Space marines in your case) and right under that you should see a second list with all the colour schemes..