He owes millions of dollars to his collapsed company Queensland Nickel and ex-employees, but Clive Palmer has still managed to fund hundreds of bizarre billboards right across Australia.

The giant posters are appearing all over the country, and feature the former politician, 64, smiling widely in front of a bright yellow background, with his thumbs up. The words “Make Australia Great” appear alongside him, with little other explanation for the new venture.

He’s since confirmed it’s not a political comeback, but instead a broader call to Aussies to improve the nation.

His spokesman told AAP: “It’s not a political campaign and has nothing to do with politics. He’s just very patriotic and loves his country.”