An animated screen at Central Gunshop Billboard can be used to propmote your server or any other thing you want.
We are using the FiveM asset escrow system to protect sensitive files. You can read more about escrow system here (https://forum.cfx.re/t/introducing-asset-escrow-for-your-resources/4777151)
The purchase is done through Tebex, an official partener of fivem. After The purchase you’ll have access to download the files from the keymaster > Purchased assets tab.
You can easily change the textures of the screen as long as you have a basic knowledge of photo editing and replacing textures on ytd files.