Actually the 2nd and 3rd BF for each club show how little the contribution of non zone players are. You are more like to get a contribution from ex AFLers or AFLers with your club than non AFL or SANFL players, but most of all it is your own players that you will get the spark from:

EF
2nd L Anthony
3rd L Weller (Qld)

Subi
2nd B Smith AFL
3rd A Cockie

WP

Fleay
B Le Cras - AFL /Burns ( Vict)

SD

B Robinson
B Wolffenden

Perth

T Cook AFL
R Young (Vic) AFL

Peel

K Bloxsidge
D Haines AFL

SF

S Hunt (Vic) - AFL
S O'keefe(Vic I think)

Claremont

A Browne - AFL
J Crabb - AFL