using the smf login to acces to an other url ...No answers?

[rog64]

hello and sorry for my english...I'm french
I have à website about horsemanship with a gallery of picture ( I'm actually using phpBB2 as forum before changing whith SMF)
I would like to do an acces to this page only for  member using the same login than SMF
what is the code  I have to put on my gallery page
here is my website :
hxxp:rozur.free.fr/photoschb [nonactive]
Thanks to answer me ( I'm not a pro of Php so be clear please)

[rog64]

 
No answer?