Article Managment , Wordpress based website

A new website, looks into article managment project., the tasks requierd are as follows: 1. Designing diffrent article thumbnail varaities (about 10), psd will be attached later if required. 2. Adding the article thumbnail to the article themselves. 3. Renaming article titles. 4. create self-links inside articles , to the article page, from words inside the article. (about 3-5 an article). 5. create and/or rename article categories. and spread the articles aroudn the categories.