There is no automated way that Sitefinity can replace the image links for you. This has to be don automatically.
This forum thread is created in the Sitefinity 4.0 forums. If you are using Sitefinity 4.0 please note that we are using real extensions of the files. If you are using Sitefinity 3.x you can take a look at this KB article
, to see how to make the libraries use real extensions.
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