My 'next' and 'prev' buttons disappears

Hi everyone… I am not a code guy… I am very new at this thing. I am a photographer and trying to get something going with pixelpost. I am trying to get the pictures in each category cycle just in that category. Pixelposts have addons or plug in to make this work …link to the add on is

http://www.pixelpost.org/extend/addons/advanced-next-mod/reviews/

But after activating it…I am missing my next and prev buttons and replaced by some category numbers(?).

It looks like this http://www.rajeevthomas.com/gallery/index.php?showimage=7&category=2

Below is where I have added the tags…

<li class=“left”><IMAGE_PREVIOS_URL_CATEGORY></li>
<li class=“left” style=“text-align:center”></li>
<li class=“right” style=“text-align:right”><IMAGE_NEXT_URL_CATEGORY></li>

Can anyone help me to figure out what is going on here? Thank you…

Check out this link: http://www.pixelpost.org/extend/addons/advanced-next-mod/

Hope this may help!!

Thta addon is the reason I posted that question… I used the same add on and that’s when all this happened. I used the addon and my links for prev and next disappeared… I like that add on but cannot make it work… not sure what happened. I have asked for help there at Pixelpost forums but no answers :confused: Thank you for replying and also for looking that up…