Consider, that if you store them in database, you will need to extract them into temporary files each time you neet to generate page containing them.

Not necessarily. One could write a CGI / handler that fetches a picture directly from the database, which to a browser, would look no different than a request for a file. This sort of thing was recently discussed here. 

   MeowChow                                   
               s aamecha.s a..a\u$&owag.print

In reply to Re: Re2: Is it a good idea to store images in a RDBMS? by MeowChow
in thread Is it a good idea to store images in a RDBMS? by Coyote

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