Need help choosing hair dye colour? Pics?

Kind of a repost, but I'm useless finding things. I'm going to be getting loreal casting creme gloss but I can't decide which shade I want! I'm torn between caramel or chocolate or iced chocolate or maybe I should go red? They are SEMI permanent so I can't go majorly lighter. Here is a... show more Kind of a repost, but I'm useless finding things.
I'm going to be getting loreal casting creme gloss but I can't decide which shade I want! I'm torn between caramel or chocolate or iced chocolate or maybe I should go red?
They are SEMI permanent so I can't go majorly lighter.
Here is a picture of them all:
http://www.loreal-paris.co.uk/hair-colou...
Here is a picture of my natural hair colour (as is it right now)
http://s269.photobucket.com/albums/jj77/...
I need to dye it because I have horrible natural ginger and dark blonde highlights at the front of my head, it looks banging mad ok.
Update: Sam - I've not tried it yet but I've seen very good reviews for this brand on ciao and other places. It's supposed to be the best semi perm around.
Update 2: I never said I was a natural blonde, I was born with medium brown hair dummy.
If I go black - because my skin is quite pale - wouldn't it look weird?
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