Your comments <--- Will teach you how to create and join a clan...

They are 3 (Three) Ways to get crystals without disobeying the rules of the game:

a) Playing in battles
b) Buying crystals
c) Sharing the game to friends using the link found on tanki.....Picture=

You can use Photoshop or other software.... Go here for more software tips: Found in the #Forum
June the 4th as he said: Check the #wiki for more information