Since you are a beginner, and the topic is bitmaps, I will tell you a few pointers to help you understand Tk images.
1. Almost all "images" in Tk must be converted to "Photo objects" before they can be used, as in the example given to you. There are a few exceptions, like XPM files, which can be read in as Pixmaps. But Tk comes with built-in support for png, jpg, and gifs, but you may need to load the modules
like "use Tk::JPEG;" or "use Tk::PNG;".
2. If you are reading data into a photo object from "memory"
as opposed to from a file, you must base64 encode the image first.
I'm not really a human, but I play one on earth.
flash japh
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