The pots are just standard plastic pots that some other plants came in.
I used metal strapping from a load of shop trusses to attach the pots to the pallet. If the metal strapping is too wide, you can use wire cutters to cut the strapping length-wise. Run the strapping through the bottom drain hole and attach to pallet boards.
After planting, many herbs such as Italian parsley, German Thyme, Lavender, Spearmint, Peppermint. Also some multi-color Purslane:
