Dave,
Here's my setup.

ACLog:
Settings>Rig Interface>Select Rig=None
Settings>API>TCP API Enabled (Server) [Check the box],,,Port=2237
Under WSJT-X Interface check the box for Listen for WSJT-X
Click Done

WSJT-X:
File>Settings>Reporting
Under Logging- Check only the boxes for Prompt me to log QSO, dB reports to comments, Clear DX call and grid after logging
Under Network Services- Check the box for Enable PSK Reporter Spotting (not necessary but I do it anyway)
Under UDP Server:
UDP Server = 224.0.0.1
UDP Server port number = 2237
Outgoing interfaces, click the dropdown and check all the boxes
Multicast TTL = 1
Check all three boxes to the right

Click OK and that 's it.

-Randy Buxton, W4IFI