Normally when you share a local resource on the network a hand icon is placed under the item to show it is shared. With this tweak you can remove the icon.
Open your registry and find the [SharingHandler] key below.
To remove the icon clear the current data from the “(Default)” value. To restore the icon to [...]

If you increase the number of buffers that the redirector reserves for network performance, it may increase your network throughput. Each extra execution thread that you configure will take 1k of additional nonpaged pool memory, but only if your applications actually use them.
Open your registry and find the key below.
Create new DWORD values, or modify [...]