Oh how difficult it can be to find an easy solutions. After probing the net for ways how to post stuff to Twitter I finally came across a blog post that was not outdated and is still working. Lest I never forget (until Twitter changes their authentication protocol again)!
However, the above method does not provide an oauth solution if you want to post to Twitter accounts other than your personal one. To post a news feed to a client’s twitter account requires them to complete the “Get all Oauth key” quests in Twitterland and that can be too much of a grind. But fortunately there is
The good folks there provide a pretty painless Twitter/Facebook integration as long as they can tap into an RSS feed. Oh, well, and there is the tiny catch. To use bit.ly’s URL shortening service, twitterfeed users have to register and obtain a bit.ly API key. But that is reasonably straight forward and easy to explain: