posted 21 August 2012 01:18 EDT (US)   
If you want to reskin the macedonian units in RTW to be like RTW-ALX Expansion you will have to either:
You will have to copy and rename the text files to reskin the macedonian units, but the best way to do it is to simply download the file in the download page that is named Alexander units in rome total war, but that is not all of them It might teach you how to find the reast though.