Just my opinions, but #1 when starting off I've started with mostly males when it comes to dominant ( spider, and pins ) , and co-domanant. I did this for selective breeding as my seasons go. That way the quality of my hold backs would dictate the later quality of my lines. As for a bumble bee I'd say make it yourself. In my opinion a pastel female is something any breeder can't have too many of. How many pastel morph combos can you think of? So you might as well have a few pastel girls.

So anyway thats just my opinion.