Photo gallery using xml and flash Question

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I know how to do this exercise however I need to know how to make the gallery change the pictures by itself including the text that comes with the picture. Make this exercise automatically so the user don’t have to click on the next arrow. The pictures change automatically… This would be really cool. If any body knows please advice. In exchange, I will advice you on any win 2000 networking question you may have. I am a expert in networking. Thanks.