NextGen Slideshow not showing just sing for Loading..??

Hello all..

I m almost new one in this WP world..
And I have one problem for now..:D
I wanna upload NexGen Slideshow in specif page called Team
And I do everything..and when I wanna view the page..there is only showing Sing for Loading like circle..
I dont know how to fix that thing…
Theme is called graphene..and I have Install multi-sites..
And everything I do is still on localhost..

Greets