[Plugin: NextGEN Gallery] Slideshow shortcode for all images?

Slideshow with all images, not just a single gallery?

I am currently using the following shortcode:

[slideshow id=1 random max=x w=400 h=400]

Also, is the max=x part right? Do I need something for the x?

Thanks for your help.

http://ww.wp.xz.cn/extend/plugins/nextgen-gallery/