Paint.net
The process to deploy paint.net involves downloading the standalone paint.net installer and deploying the installation via a BCX MSI Package Task.
Download
Direct download link for paint.net (paint.net.xxxx.install.zip):
http://www.getpaint.net/download.html
Extract paint.net.xxxx.install.zip and then open Run command and execute the following command (change the path to the paint.net.xxxx.install.exe file accordingly)
C:\Users\%username%\Downloads\paint.net.xxxx.install.exe /auto /createMsi
The MSI will be saved in a folder on your desktop.(You can also use 7zip to retrieve the .msi installers)
Now, you need to copy the paint.net.xxxx.install.msi file to your packages$ share or distribution point.
You must use x86 for 32 bit windows and x64 for 64 bit windows.
eg \\servername\packages$\MSI\paint.net
If the installation file has been downloaded from the Internet it now needs to be unblocked
How to unblock files downloaded from the Internet for Deployment.
Installation Instructions
You can now create an MSI Install package task to deploy paint.net.
After adding the task, only assign to a few individual testing stations to test deployment