Could it be a good idea for the NSMB Editor, if you can see in the area's wich sprites you've used?
That seems pretty usefull to me.
For example: If you open World 1-1 Area 1, you can click than on an icon, and then you will see a list with the sprites in that area are present.

For example: (show spoiler)


If you edit a area, then this list change to.

(I'm sorry if this text is unclear)

Gr. KingYoshi

I like your idea!Very good.
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Yay, thanks! My thread isn't unclear
I hope this option maybe comes in the NSMBe.

Perhaps for each sprite type on the level, there could be a drop-down menu that will tell you the coordinates of the sprite. If you double-click on the location, it will center your view around the sprite and highlight it.