Are you looking for a way to plug some RSS feeds into your stream? Tired of manually doing all the work? Twitterfeed is a neat tool that can automate the process for you. Simply add a feed to your account, give it a name, and let Twitterfeed do the rest. This tool can check for new feed postings every 30 minutes to once a day. You can pick and choose amongst numerous URL shortening options, add a prefix or post suffix for tweets to get the past tweet possible. This way you can make it look less spammy and automated.