Victoria's shadow emergency services minister has deleted a tweet showing a picture of actor Shane Jacobson seemingly supporting the Coalition, after the actor requested its removal.

Key points: Shane Jacobson said he wasn't aware his image was being used for a political campaign

Shane Jacobson said he wasn't aware his image was being used for a political campaign Liberal MP Brad Battin replaced the tweet, saying there was "no hard feeling"

Liberal MP Brad Battin replaced the tweet, saying there was "no hard feeling" The Greens have defended the party's culture after offensive staffer tweets were unearthed

The tweet, sent by Liberal MP Brad Battin, showed Jacobson holding up a "back the CFA" sticker.

It was captioned: "Shane Jacobson knows that we must back the CFA. The only way to get back in control and support the CFA is to vote @LiberalVictoria this election."

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Jacobson, who stars in the feature film Kenny and hosts Channel Seven talent show Little Big Shots, responded on Twitter, saying:

"I have only just been made aware of this … it's an old photo of me from 2016. I've not been consulted in ANY way about this issue."

His manager, Nicole Bardie, said the actor also formally contacted Mr Battin's office and asked that the image be taken down.

"This photo was taken two years ago in support of the CFA," she said in a statement.

"Shane was not aware this was being used for a political campaign nor was approval sought."

The image was taken to support firefighters in Victoria's Wimmera region in 2016, as the Labor Government faced a backlash from CFA volunteers and their supporters over flagged reforms for the state's fire services.

The long-running industrial dispute has been a political problem for both parties and is now before the Fair Work Commission.

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Mr Battin replaced the tweet around lunchtime on Monday, saying:

"Just spoken w @ShaneJacobson regarding a pic for the CFA taken 2 years ago with Shane holding a Heraldsun sticker Hands off the CFA. "The pic was taken from another site. "There is no hard feeling between Shane and I and he did thank me for using a pic showing his good side."

Ms Bardie said Mr Jacobson had joked he was happy about how thin he looked in the picture, saying "that's sometimes what happens when you have a recognisable head. They should have picked a prettier face if they wanted to get attention for their political campaign".

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Campaign pitstop hiccup

The Liberals were caught off-guard again, when it emerged a cafe owner used for a Liberal Party media opportunity had been convicted of cultivating cannabis.

The Liberal Party campaign bus visited Frankston restaurant Beach 162, where Mariam Jamil was introduced as the restaurant owner.

Ms Jamil discussed rising power prices with Opposition Leader Matthew Guy and Frankston candidate Michael Lamb, who is also a senior sergeant at Frankston police station.

"The last four years, the bills have jumped dramatically," Ms Jamil said, as cameras rolled.

But it later emerged Victoria Police had opposed Ms Jamil's application for a liquor licence for Beach 162 due to her criminal history involving illicit drugs and dishonesty offences in 2015.

Documents published online show the Victorian Commission for Gambling and Liquor Regulation granted a licence for the cafe but added Ms Jamil, "must not participate in the management or control of the subject premises".

Questioned hours after the press event, Mr Guy admitted he had not been aware of Ms Jamil's history.

"I don't know her details," Mr Guy said.

"All I do know is that she's a cafe owner that is paying enormous bills."

Matthew Guy, pictured with his candidate for Frankston, Michael Lamb, and his wife Renae, said he did not know the history of Ms Jamil (left). ( ABC News: James Oaten )

Greens refuse to be 'lectured' on sexism

Twitter has also proved problematic on the other end of the political spectrum.

The Victorian Greens once again had to defend the party after media reports highlighted offensive tweets, sent from an account run by a staffer for Northcote MP Lidia Thorpe.

Paul McMillan, who worked for Greens Northcote MP Lidia Thorpe, joked that "if we started locking up everyone who's addicted to child porn there'd be nobody left" and Muslims wanted to "ban my favourite hobby, greasing myself up in pig fat and oinking like a grunter".

A tweet sent by a Greens staffer commenting on the party's culture. ( ABC News )

Under the Twitter handle @maxuthink, he also tweeted about pornography, female genitalia and said that if he was Greens MP under suspicion of sexual assault he "would simply claim that any and all claims are a factional attack".

The Twitter account has since been deleted and the staffer has reportedly offered his resignation.

On Sunday, Premier Daniel Andrews said the party, which holds three seats in Victoria's lower house, had a "toxic cultural problem".

But Melbourne Greens MP Ellen Sandell said the party found it "galling being lectured to by a man whose entire leadership team is dominated by men".

"We know that society has a problem with attitudes towards women," she told ABC Radio Melbourne.

"Unfortunately no organisation is immune from that — we've seen it in both the Liberal and Labor parties, even the ABC, and the Greens aren't immune from that either.

"The difference is we're led by strong women, we've got an all female leadership team — seven out of our eight MPs are women — we call out misbehaviour when it happens."

The Greens are standing by two of its candidates over similar issues — one who rapped about date rape and used homophobic slurs, and another who liked degrading comments about women on Facebook.

The party also lost Upper House candidate Joanna Nilson over posts she made on Facebook about shoplifting, and derogatory comments about a female Liberal staffer.