I know I've seen this somewhere. I've read somewhere that I could add gallery content to php pages by including a few snipets of code into the php page. I can't for the life on me find that information again.
Anyone know what I'm talking about? I don't. 
Posts: 32509
easiest method:
sitw admin -> imageblock: external imageblock (readfile)
more advanced / powerful:
docs/EMBEDDING
http://codex.gallery2.org/index.php/Gallery2:How_Tos#Customizations
Posts: 26
Thanks Valiant.