1) If you're commenting about a suggestion, please try to make your comments constructive. If all you have to say is "Hell no!" or insult the user for having dared suggest whatever they suggested, do us all a favor and don't comment. We have users coming to us with many different levels of experience with LJ, as well as vastly different ways that they use the site. Give other users the same respect that you would want given to you if it were your suggestion.
2) We get a lot of requests for us to whitelist video embedders provided by third-party websites. (There are a number in the suggestions queue right now!) While we're happy to add as many providers as we can, right now our business department is telling me that we're only doing so if we are contacted by the site itself. Therefore, if there's a site that you wish that LiveJournal's media embedder would support, we recommend that you contact that site's support department and ask them to contact email@example.com so that they can be whitelisted.