He says on the first page of that article you can do
1 or 2 assistance, example I presume being chins, rows, back ext, facepulls
1 or 2 assistance
It was also recently mentioned in a thread on here a few days back. Jim said some of his members had great success getting stronger doing the above template. More options also in his books.
EDIT: read your post again and saw that you said only weekend training. I guess my advice is redundent unless you perhaps you train Friday and Sunday.