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For displaying large side-scrolling maps in a useful fashion.

Usage

{{Scrolling map|imagename.jpg|300|500}}

Parameters

1. Image name (don't include the "Image:")
2. Height constraint (in pixels, without the "px") — optional
3. Width constraint (in pixels, without the "px") — optional

If width/height aren't specified, the image will expand to either its full width/height, or the width of the page (whichever comes first). Height can't be constrained by the page.