This template creates a small icon for Barley (Farming Simulator 17 version):
The first parameter defines how large the icon will be:
{{17 Barley|20}} =
{{17 Barley|30}} =
{{17 Barley|40}} =
{{17 Barley|50}} =
{{17 Barley}} = [[File:FS17 Icon Barley Black Small.png|]]