Blog copywriter

Hello all, We need someone who can write very well in engish. We need someone to write socially, meaning the writing has to be entertaining and it has to be about our company. We run a file hosting service and would like a few blog posts teaching my users about our company and just showing people we are a social company. The blog posts have to include pictures. It has to be 300 – 400 words. You must speak very well in English and you must know what to write. We need 5 blog posts.