paint.net plugin pack
My plugin pack for Paint.NET. Forum thread

Close Paint.NET if it’s open.

Open the ZIP file you downloaded.

Copy the Effects and FileTypes folders from the ZIP file.

Find Paint.NET in the start menu.

Right-click it and select properties.

Click open file location in the properties window.

Paste the folders in and click yes to merging both.
Download my palette. Can't get your plugins to work? This may help.
Plugins included