[How do I make a grey pixel cell border around my ebook cover?]

Thank you everyone!

[How do I make a grey pixel cell border around my ebook cover?]

I'm making an ebook cover with a white background and I want to put a grey pixel cell frame around it but I don't know how to do it. I'm only getting started with getpaint.net.

[Drop-Shadow?]

You can do a drop shadow frame in www.picmonkey.com for free if that's the kind of drop shadow you're talking about