New free theme

Hi i want to post image quotes with categories and sub categories so can u help me with good free theme for that and a category plugin which is a Collapsing Categories type
i have the site themallus.com in that i had done with .org but the plugins not working there thats y i asked and can u suggest a gud theme i searched for lots of one and i want the categories in gfxtra.com can u suggest some pulgins like tht
and also i want a theme for a online store and for a news site too can u please help me for tht too
also a theme like
http://www.kochivibe.com/

please help me