I'd do what you're doin: open a file and print the image to that filehandle. Then, when I generated the HTML, have the src attribute point to the file I just created.

UPDATE

When you say "doesn't show" do you get the "image not found" image?

.
• Have you checked to see that the image is where you think it is?
• Is the image file in a directory under the server's document tree?
• Does the image file have permissions such that the webserver process can read it?

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