Ok, You're able to lock alpha on this :] There are also backgrounds you can choose from or you can make your own and whatever background you choose my signature has to stay visbale. My signature is different on every background so yeah make it visable.
Do:
Edit lines slightly
Use In competitions (Ask first)
Color In
Use for Characters
Make Free Adoptables
Give Me Credit
Don't:
Take off Site without my permission
Sell for money/pets
Claim as your own