Wade Arnold wrote an interesting article about connecting flash to a MySql database with the help of AMFPHP, flash remoting.

Displaying the huge amount of information stored in a MySql database using the DataGrid class that comes with Flash CS3. To fill a datagrid in flash through Flash Remoting, Wade points out that you need to write your own Dataprovider class to convert a AS3 Array Collection for the datagrid. Strange enough this dataprovider isn’t part of Adobe Flash.
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Here is an example of how to customize the font (size, style, color) for the two components List and TextField inside the standard ComboBox component:

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