Voici mes sources :

tigre1

https://c1.staticflickr.com/4/3947/15572732248_a43d8f1e8b_m.jpg

degrade

https://i.skyrock.net/3941/63443941/pics/2555772747_1.gif

tigre2

http://www.topiphone5wallpapers.com/wp-content/uploads/Animal/Tiger/Tiger%2034.jpg

tigre3

http://lemondedines.l.e.pic.centerblog.net/o/41fd0f81.jpg