XAML故事板动画移动图像从窗口-windows phone 8

I need to create a splash screen, where image needs to slide from bottom of the screen up.Initially it should be placed outside the viewport and then brought in.I understand i need to use story board animation,give target property as image's name and use render translate.Since m new to XAML.. I have the bare skeleton, I dunno how to build things up from here.. please help.I need to create a splash screen, where image n