auto keyword

[fbi]

i have a gallery with more than 50 000 photos
but i think my galllery seo is very weak
my visit frome search engin is low
i think about a thing that buil auto key word and tag for the photos
is there a thing that do it

[Αndré]

Please search the board for SEO. If you want further help, post a link to your gallery and elaborate what exactly you want to accomplish.