If you're using a web wallet, chances are you don't have the add more fee for receiving transaction feature. If you're using Electrum, though, or any other desktop wallet, right click on the transaction and add more fees for your transaction so it can be put in a higher priority.
Seriously, did they even put a transaction fee in your payments?
the campaign manager and the escrow for this campaign has gone since 10 days ago, I don't think anyone will have to worry about his transactions being stuck, because I don't think he will be back