This is an example of a site with a large DB (~ 10 M galleries here)
We still have categories just to prove the script can handle it
We have search box at the top of each page
bla bla bla bla bla
bla bla bla bla bla
bla bla bla bla bla
What? It's just me and my hot blonde wife chilling on the beach completely nude. This makes us feel so free. And aroused as well. You should really try it sometimes, I bet your gf would love it.