It seems like you're missing the ability to have the themed screensaver feature that was present in the Windows Vista photo screensaver on your Windows 7 Professional after a clean install. While Windows 7 Professional offers a similar photo screensaver, it lacks the option to apply themes to the screensaver, such as displaying four pictures at once with a textured background. To address your concern and achieve the feature of displaying multiple pictures in the screensaver like in Windows Vista, you can try a workaround by creating a custom screensaver template using a third-party tool or by modifying the settings of the default screensaver. Here's how you can do it:
Option 1: Creating a Custom Screensaver Template:
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