nextgen gallery plugin help needed

I want to add text below each picture.. I mean different text for each picture.. But when i add into description the text only appear when people click on the image

http://screencast.com/t/tu9E1zVL7

I really wanna make something like this

http://screencast.com/t/aegfJWUto

Text appear below image and when people click next text and image change accordingly..

up.. need help