[texhax] pdfetex: bad PNG image processing

[Martin Schröder]

2010/4/16 Alberto Mijares <amijaresp at gmail.com>:
> Trying to build a PDF presentation (latex-beamer class) with pdflatex.
> An image has transparent background; however, inside the PDF it has a
> black background. This is when I create the PDF on FreeBSD 8. In the
> other hand, when I create it on Linux Fedora 12 it looks good.

pdftex --version ?

Best
    Martin