Just found the solution : don’t forget to check the little round chekbox just above “picture link url”.
Hope it works for you all
http://ktz-gov.com/up/original/f8600ecf9ceab7f99ed787d077f0257b.jpg
OMG I just see..
It works now.
Same issue for me.
My shortcode : [nggallery gallery=”3″ template=”sliderview”]
The gallery 3 works fine with other ngg shortcodes