Merry Christmas, MangaKid! I'm your Secret Santa. :)
I looked at your list for sooo long, unsure of what to do. But then you said that you really like Howl's Moving Castle, and that's one of my favorite Miyazaki movies, so I was like "I'LL DO THAT! 8D"
So we have brunette Sophie and blonde Howl prancing through the sky.~ 8D
I didn't really use any references, so I'm sure they're not very accurate. Whoops. Haha!
.... Yeeeeeah. This ended up being hard. ;w; I tried my best, though! I haven't seriously drawn anything in a month or two or more (so busy D:), let alone use Photoshop (I think it's been like... 5 months since i tried to color something? xD).
But overall, I'm happy with how it turned out, and I hope you like it! Merry Christmas! :D
Background image from google/wikipedia.