How to add watermark to documents using GIMP and LibreOffice Writer

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http://www.linuxandlife.com – You may sometimes want to add a watermark to your documents to claim your authority. There are, of course, many different ways to do the trick but in today's article, I will show you how to do it using two popular open source applications, GIMP and LibreOffice Writer. Both applications are pre-installed in Linux Mint 13. Step 1 : Create a watermark image using GIMP  Open an A4 template. Just hit Ctrl + N and the "create a new image" window will appear, then choose the A4 template: Make the image transparent by going to Layer > Transparency > Color to Alpha: Next, use the (Distributions)