image of amplification

how to image of amplification ? what a configuration i have that execute?

thanks
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The following information is required to get an answer:
Get this information from the PHP diagnostic (in the configuration wizard).
Gallery URL (optional but very useful):
Gallery version:1.5
Apache version:
PHP version (don't just say PHP 4, please):
Graphics Toolkit:
Operating system: windows nt
Web browser/version (if applicable): IE or Opera