Can it be integrated?
 

I am setting up a new website which is mainly for users to post their photos. However, as I watched my friend's installation and integration of photopost to vBB, I would wonder if it can be integrated 100%.
In his site, after the installation, there is always a message in the tophead of the site saying that:
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/httpd/vhosts/dmcomputer.org/httpdocs/gal/forums/vb3.php on line 14
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/httpd/vhosts/dmcomputer.org/httpdocs/gal/forums/vb3.php on line 43
Also, being logged in, he can not access the admin area.

Your friend would need to specify the proper information on install. Specifically in the case here on step 4 where it asks for the vbulletin mysql table prefix as it would appear this was not inputed on install. He can rerun install.php and correct this.