→Images: transparency note flagged by abuse filter
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Spritesheets are easy to edit:
Spritesheets are easy to edit:
# [[#unpacking|Unpack the file]] you want to change.
# [[#unpacking|Unpack the file]] you want to change.
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# Open the unpacked <tt>.png</tt> file in an image editor (like [http://www.getpaint.net/download.html Paint.NET] on Windows, or [https://www.gimp.org/downloads/ GIMP] on Linux/Mac).
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# Open the unpacked <tt>.png</tt> file in an image editor (like [http://www.getpaint.net/download.html Paint.NET] on Windows, or [https://www.gimp.org/downloads/ GIMP] on Windows/Linux/Mac). ''Note that it's important to use an image editor that can handle transparency (a.k.a. an alpha channel), unlike Microsoft Paint.''
# Make changes directly to the image.
# Make changes directly to the image.
# [[#unpacking|Repack the file]] and copy it back to the original location.
# [[#unpacking|Repack the file]] and copy it back to the original location.