|Bridging isn't needed to share files.|
Give both PCs the same workgroup name.
Right click on the drives and printers that you want to share and left click on sharing.
Open the command prompt on both PCs and run ipconfig /all to get the IP addresses.
On one of them, click start, run and put the IP of the other box in the run box.
\\192.168.0.100 and press enter. You should see the shares and you can create shortcuts on the desktop.
Do the same on the other box.