On this specific question: "Is It possible to use ressources in a CustomPreloader"
You will find an answer in that excellent presentation by Michael Labriola <a href="http://blogs.digitalprimates.net/codeslinger/index.cfm? mode=entry&entry=923040ED-FFF8-98FF-6D01B7FE243E8FC9">Dense and Hot @ webDu by Michael Labriola</a> Slides 23-25, in particlar: ---------------------------- Initialize - create a new Preloader and listens to both its progress and done event - preloaded added to the SystemManager's children - RSLs info gathered - ResourceManager, FontRegistry, StyleManagers are registered with the application so that they will be ready and available before they are needed. - framework looks for any resource modules specified in the URL or flashvars that might also need to be loaded before frame 2 - preloaded initialized and sent on its way. Preloader - the preloader 'initialize' method facilitates loading any RSLs used by your application. - then create an instance of its display class. By default this is the DownloadProgressBar, however, you can specify a different class if you want to change the preloading display. - preloader starts a process of polling and updating the display until the RSLs and Frame2 are loaded. ---------------------------- It looks like RSL are made ready to use before the application is shown but after the the Preloader is created.

