add more cateory in currently Wordpress theme

i have this theme file :[login to view URL] and i need make some change ,see attached file different thing is: we have 5 or 6 categorys and a set (5+) images for per category for example: category1 have a set of 5 images(called 1A) category2 have a set of 5 images(called 2B) if currently show 1A images,then click cateory2,images changed to 2B do you know what i mean? i know it's a very simple work,just need 1-2 hours also i need you help me to setup WP in my FTP,make the site live. Happly bidding Thanks