Customizr slider problems

Hallo! iam having a problem with the customizr theme. The slider in the home page dosnt slide properly. what i mean is that my images springs from one to the other… i dont know how to explain it its like the image moves from above to bellow so it doesn’t slide how its supposed to do? someone know how to solve it? and sorry for my bad English! this is my site you can check what i mean http://www.soundbyfym.nl

https://wordpress.org/plugins/slider/