Many people use external swfs these days, because they are a very good way to keep a site structured and manageable, and also because they keep the file size low. These swfs also divide a site into sections: each external swf stands for a section. These movies are dynamically loaded into the main movie when entering a section of the site. But a question that gets asked a lot lately is how to create smooth yet functional transitions between these external swfs? That’s what this tutorial will cover.