I am looking for someone who can design (simple animated) website banners

Design details: I am building a poker website. I am looking for someone who can design attractive website banners.

Expected content size: 950 X 385px, full image: 1920px x 385px
I will need ibe banner in either flash format as demo, and then my IT will make it HTML 5 or you can make the banner into HTML 5 directly.

Ideas for the visual style: need to match the website's design
Website url: http://goo.gl/ffhZz7
Website information: Poker website

GET 300% UP To 500 GBP Deposit Bonus
Join our weekly prize giveaway and win yourself a fantastic new Apple Sports Watch!!!
Lucky DRAW: Win a Ducati 899 Panigale or a 2015 MINI CONVERTIBLE 1.6 one. Buy yourself a ticket now!

* No need to be too fancy or long animation. Just need to be direct to the point, match the website design and attract visitor's interest to continue. See reference below.

Reference:
1. http://goo.gl/ptqRQd (banner example from other website, but we need to be better)
2. http://goo.gl/NXGL2f (banner example from other website, but we need to be better)

Reference to the draw promotion: Might be able to take some photos from it.
1. Mini Convertible http://www.mini.co.uk/model-range/convertible/mini-one/
2. http://www.ducati.com/bikes/superbike/899_panigale/index.do