Hi all here is a small trick that you can use to make your two different Facebook profile picture its just a small photo id related hack that makes it cool lets do it.
Follow it step wise
ok first of all chose an image that you want to make different profile picture
Get your own photo albums
It will open your "Profile Pictures" Album , click any picture you want to use as another profile picture.
After opening(Click) your wished profile image , look at the url and copy the "fbid" value , mine here is : 250571248304537
Carefully from here go to your Facebook account , click your profile picture and choice "Edit Thumbnail" .
a pop up window will appear .
Now right click and inspect element .
Here come the important step Scroll down until you reach the code which start with :
Click the left small arrow to open the code and scroll down a bit until you find this code :
and finally Double click on the value to edit it , or right click and choice edit html , paste the fbid value that you copied in step "2" above .
Click to save the changed , close the "Inspect element" window , Finally click "Save" Volla thats done :).
Thanks a lot keep visiting have fun .