How to make a link an thumbnail??

[Appie]

How can i make a link on an thumnail i will make my site like this!

see this website: http://osc4.template-help.com/wt_32271/index.html

I have make all the images/thumnails like the site above now i want make links on the thumbnail people, nature, misc, ....
How can i do that ? when people push on the people thumnail then they have to open another cattegory can someone help me please with my big problem

Thanks!

Appie

[Jan]

Hi, sorry I don't understand?