Here is some pic. Mby u can use this for ur competition.
(https://scontent-vie1-1.xx.fbcdn.net/v/t1.0-9/13537699_670161629818899_6089646003154959080_n.jpg?oh=a2f1186208f083330d73752ed55f9b56&oe=57F369C5)
Pic dead :)
Suggestions:
1st
http://wallpaperswide.com/cool_nature-wallpapers.html
2nd
http://bureaubladachtergronden.be/natuur/de-zon-komt-op.jpg
3rd
http://www.desktopwallpaperhd.net/view/wallpaper-cool-nature-best-105297.html
4th
(http://finaquant.com/wp-content/uploads/2012/12/finaquant_tiger_on_a_tree_v1_500x375.jpg)
(http://2static.fjcdn.com/pictures/Photoshop+material_d92470_5698538.jpg)
xD
Ok go serious, I like this bengal tiger:
(http://images6.fanpop.com/image/polls/1537000/1537615_1453575980791_full.jpg)
And theres a bunch of extremely nice pictures about bengal tigers swimming on this google image search link (https://www.google.hu/search?q=bengal+tiger+swimming&tbm=isch&imgil=iPaqEVXtXn8odM%253A%253BsGLV0MtDf2nQmM%253Bhttp%25253A%25252F%25252Fwww.dailymail.co.uk%25252Fnews%25252Farticle-1334096%25252FBengal-tigers-fight-underwater-chase-chunks-meat.html&source=iu&pf=m&tbs=simg:CAESoQIJ7alXrHX6zX0alQILEKjU2AQaAggJDAsQsIynCBpiCmAIAxIo8hWXC5YL6guFDLUOoR6uA_1MVrwO9JMIk5SGlLa836SjtLKgkrTewNxowWi611HQT_11Tt_1IBuZvrWB4UTTPThX-n6QvL5MK-myW_1D0med9vifRP-KIsd7EJXuIAQMCxCOrv4IGgoKCAgBEgSqKmWiDAsQne3BCRqCAQoXCgV0aWdlctqliPYDCgoIL20vMDdkbTYKFwoGYW5pbWFs2qWI9gMJCgcvbS8wamJrChsKCHdpbGRsaWZl2qWI9gMLCgkvbS8wMTI4MGcKGgoIYmlnIGNhdHPapYj2AwoKCC9tLzBjZG5rChUKA2NhdNqliPYDCgoIL20vMDMwN2wM&fir=iPaqEVXtXn8odM%253A%252CsGLV0MtDf2nQmM%252C_&usg=__clXPvklTL4yPe2PS0XMMCK1MbSo%3D&biw=1280&bih=878&ved=0ahUKEwjov_3oh-nPAhXoFJoKHf2lBRAQyjcISg&ei=PI0IWOixOuip6AT9y5aAAQ#imgrc=_)
You can choose any of them :)
Love these pictures
(http://news.nationalgeographic.com/news/2009/07/photogalleries/week-in-news-pictures-139/images/primary/090716-04-hungry-hungry-tiger_big.jpg)
(https://s-media-cache-ak0.pinimg.com/564x/09/36/82/09368212d9d7019aadf324c1e02898a7.jpg)