Thanks for this helper module, it works great. The only issue I see in my case is that the total percentage width of the rows only equals:
2 items per row - 92%.
3 items per row - 86%
Any more than that and the field falls back down. Other than that its awesome, many thanks.
Running v0.1.5 , Processwire 3.0.1.1.8, Firefox browser, wamp on windows 7