Tip: You can use Lunar Magic's Overworld Layer 3 Editing system to edit or create your own layer 3 images (castle bricks, fish, rocks) and apply unique effects per level via the Layer 3 Bypass in the main editor.
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Post Your Desktop / Homescreen / Battlestation / etc.
Here is a picture of my current desktop. I change my desktop, on average, once a year or rarer, but I switched to this one just a few days ago. Some of my less-familiar-with-Mario friends were over, and my previous desktop had some Mario themes in it, so I grabbed a background that my brother and his friend had made on a Photoshop spree, lightened it (with Photoshop) and put it as my desktop. It's still there.
There aren't many icons there. There were a lot of unnecessary ones before my hard drive was formatted about a month ago, but now they're gone. I'm thinking about adding some shortcuts to places I visit a lot, such as my hacks folder, but I usually just get to them through the "My Documents" via the Start menu. I rarely use anything on the actual desktop.