This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
You can use animated gifs... but I would test it out first because sometimes it doesn't look that great, depending on the gif. To use streaming video through Java, check out the JMF(Java Media Framework).
Write once, run anywhere, because there's nowhere to hide! - /. A.C.