slider problem

hello and thanx for making gr8 themes for wordpress.
some day back i have activated light cafe for my site http://www.premkurtis.com but i am getting trouble with slider.

margin on top of slider pictures.

i have checked all images used in sliders are edited in same size as was in the sample images i mean all images are width :978
and height :320 .

preview of my problem

resolved the problem with email support by sm theme
thank you.