Could anyone please give me advice for a bright purple prom dress?

Hey there. So. This is basically how my prom dress looks: http://i241.photobucket.com/albums/ff66/_goosegirl_/14391171.jpg And it is in this shade of purple: http://i241.photobucket.com/albums/ff66/_goosegirl_/89351_1.jpg And I've decided on a hairstyle to go with... show more Hey there. So.

This is basically how my prom dress looks:
http://i241.photobucket.com/albums/ff66/_goosegirl_/14391171.jpg
And it is in this shade of purple:
http://i241.photobucket.com/albums/ff66/_goosegirl_/89351_1.jpg
And I've decided on a hairstyle to go with it:
http://i241.photobucket.com/albums/ff66/_goosegirl_/MYHAIR.jpg

I'm thinking of wearing a flower tucked behind my ear with that wavy hairstyle for something different, but do you think it would clash with a corsage on already? Anyway, the shoes in the picture I posted are such pretty Louboutins, aren't they? But those aren't available here, and pretty purple shoes are hard to find. I've also read somewhere that a purse/clutch that's in contrast to your dress is a great and fresh look.

I need ideas on the shoes, accessories, purse, and corsage. But right now, I'm mostly just stuck on the colors.

I don't want to be too matchy-matchy with the purple because I want my dress to stand out, and I think silver with purple is too commonly used. I'm looking for some fresh and different suggestions.
If it would be of any help at all, I have fair skin on the gold tones, dark brown/reddish hair and brown eyes, but my eye color isn't so noticeable because my eyes look almost black unless under sunlight.
My prom's going to be in the evening of March 7th, and we have a Vegas/casino theme for it.
So I have about three or four weeks more for preparations.

Any other suggestions would be much appreciated as well.

Thank you!
Update: I uploaded such a small picture of the dress by mistake, so here's a bigger picture:
http://i241.photobucket.com/albums/ff66/_goosegirl_/09.jpg
And here's another one:
http://i241.photobucket.com/albums/ff66/_goosegirl_/MYPROMDRESS-1.png
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