Photo contest plugin trouble! :)

Hi!

I’ve bought the Photo contest plugin from Ohio Webtech (https://plugins.ohiowebtech.com/?download=wordpress-voting-photo-contest-plugin), I’ve activated the plugin, but I simply can’t make the contest to work on my page.. I think it’s some kind of trouble with my rookie-wordpress-knowledge… ??

To set up the contest it says that I have to use som shortcode that should be like [showcontestants id=42 postperpage=20 showtimer=1 showform=1]

I’ve changed the id to the id that I use, but it still wont work.

Hope you guys can help! Thanks in advance. ??