Here is how to get campaign maps into Skirmish. (courtesy of Flip1299)
step 1: make sure that you have Finalbig
step 2: run finalbig
step 3: click open and direct it to the zero hour directory (the standard is C:\Program Files\EA Games\Command & Conquer Generals Zero Hour)
step 4: in the zero hour directory open the MapsZH.big file
step 5: go into edit and click extract all
step 6: again, direct it to the zero hour directory and click ok
now you should have a maps folder in the zero hour directory (C:\Program Files\EA Games\Command & Conquer Generals Zero Hour\Maps)
step 7: in the maps folder will be all the official maps, copy the folder of the map you want and paste it in My Documents\Command and Conquer Generals Zero Hour Data\Maps
BL4D3 wrote: