The sizes are includes with Layer PSD files, You can use your own logo, images and text.
Banner: 468×60 Leaderboard: 728×90 Square: 250×250 Small square: 200×200 Large rectangle: 336×280 Inline rectangle: 300×250 Skyscraper: 120×600 Wide skyscraper: 160×600
You can find Image use in the banners at below url http://photodune.net/item/bodybuilder/3835975?WT.ac=search_thumb&WT.oss_phrase=bodybuilder&WT.oss_rank=20&WT.z_author=zastavkin
You can find free font use in the banners at below url http://www.fontsquirrel.com/fonts/bebas-neue