Labor Leader Annastacia Palaszczuk has accused Premier Campbell Newman of playing "gutter politics" over allegations of unions funnelling funds to Labor via bikie gangs.

Ms Palaszczuk again called on Mr Newman to present any evidence to authorities but wouldn't directly address footage of Electrical Trades Union (ETU) state secretary Peter Simpson saying he saw bikies bring "wads of cash" to support people on the picket line during a Maritime Union of Australia dispute.

Premier Campbell Newman debates Opposition leader Annastascia Palaszczuk at the The People's Forum. Credit:Renee Melides

The footage is shown in an LNP ad claiming links between the Labor party and "bikie-backed unions".

"You will remember the bikies have rode up to the MUA dispute bringing wads of cash to support the guys on the picket line. I was there with them," he says in a short clip taken from a union rally and used in the ad.