If you are talking about how to add them to a 5165 Source it is very easy.
1. navigate to: C:\OldCODB
2. open shop.dat
3. hit CTRL + F, and search for Great Merchant
4. at the bottom of the Great merchant add a new item, Ex. Item49=730008
5. scroll to the top of Great Merchant and change ItemAmount=49 to ItemAmount=50
6. Go to your clients folder, go in the "ini" folder, and Open Shop.dat
7. Repeat 3-5.
8. Open your client, go to great merchant and u have +8 stones.
9. If you haven't followed the guide to Compose and you would like to come to +12 Go here:

follow that guide.
Hope this helps