For anyone who runs into this, the folks on the DeployStudio forums posted the answer:
afp://192.168.0.1/Volumes/NetRestore-Images/Repository
when connecting to a share, don't use the full path to the share point. If the Share is named "Repository", then as far as your client is concerned, "Repository" is the root folder. For example,
afp://192.168.0.1/Repository
or if you are sharing the NetRestore-Images folder,
afp://192.168.0.1/NetRestore-Images/Repository