Some BSC nodes are slow to retrieve media from the blockchain. To fix this head to https://docs.binance.org/smart-chain/developer/rpc.html
Under recommended copy the second link : https://bsc-dataseed1.defibit.io/
Alternatively you can use this RPC: https://bsc1-rpc.unifty.cloud/
Now head to your metamask settings
Click on Networks
now change your RPC url to this one. Refresh your page and everything should load fine. If you still run into issues then contact admin in telegram for support.