Hi,
I want to create something like my.yahoo.com or iGoogle type of webpage. Does anyone know where I can find a tutorial on a very basic one where I can improve on it. Thanks!

Sites like these use a combination of scripts such as an xml parser, which aggregates data from a collection of base sites such as weather, rss feeds and such.

You would have to learn a scripting language of your choice such as php, perl, etc. I highly recommend php (http://php.net).

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Use PHP and there are many tuts.

www.w3schools.com is a great place to start.