Hi. First of all thank you for the plugin. I've been trying to make the nivo slideshow work on my website for months.
I've tried searching up and down this thread but couldn't find anyone having the same error I'm having.
The navigation in one of my sites, just doesn't work at all.
None of the images appear (bullets and arrows) on Previous and Next link and they don't work. The CSS file seems fine as the loading image does appear.
I checked the source to see if maybe the images where out of place but they're just not loading.
I tried removing them from the admin area, and the controls don't work either.

Now there is something really strange going on. I had the easyslider plugin before I installed this one. All the files are removed from the server, but if I upload the css file from this plugin the arrows do show, but don't work at all. The bullets though don't show at all, no matter how much I mess with the CSS.

Has anyone seen this error before? Any solution?

Also, I found there is no need to modify the tpl_index_default.php page. By adding the same piece of code to the define_main_page.php (which can be edited also from the admin) the slideshow performs the same way.