There are to use this hack.You can choose the one that best suits you.
a> Login To Your Sandbox Profile and Directly View The Locked Scrapbook
* Navigate to which has disallowed non-friends to view his/her scrapbook
* Run this script in the address bar
* Wait for 4-5 seconds and you will get to see the scraps.
c> Userscript (Credits - D3 ) - The Recommended Method because you need not run any script again and again. Kindly follow the stated below:
* Grease Monkey in case you don’t have it - Search for it on google (another way to resort to Firefox)
* Install View Locked Scrapbook Script
* In case you have any problems or operating these scripts, you must read this tutorial.