Republican Voters Against Trump have been running veteran billboards for a while. The DNC has been running billboards calling him and anti-union scab.
I think the chicken angle hits a bit different though, a lot of people write off everything trump says as just talk, and many attacks seem to get ignored as slander, but the fact he's unwilling to debate is a plain and uncontested fact, one that makes him look weak.
Why waste the oil? Turn it into gravy, or mayonnaise, or store it to sell to a recycling center that will turn it into biofuel.