Movies about weed or cocaine?

i like movies like that doentaries and bioagraphy... drug dealing movies people who use the drugs stuff like that.... if you know any please tell me i would really like to know. just tell me the name and a breif description and if any big names are in it... iv alreayd seen movies like blow cocaine cowboys 1 and 2 and new jack city.... also i like mob movies like casio or good fellas and god father.. anything along thoes lines... thanks..