I have a multi-author blog regarding urban planning and design on which I some day hope to have hundreds of authors distributed among several dozen networked sites. I would like to limit the file size and dimensions of their post photo uploads and embedded/linked photos. I'd also like to automatically limit their front page posts to excerpts while still displaying any photos on the front page. I have tried both WP built-in functions and various plugins. All my efforts have been met with occasional broken code and photo problems. There seems to be no way to limit the dimensions of embedded photo links. Are there any solutions or plugins for this that don't result in broken code? I'd like it to be nearly as easy as Facebook for my Authors to upload media and post articles, while displaying a clean excerpt with at least a thumbnail of any media they put in their posts.