The Brokeback Mountain star, whose girlfriend Michelle Williams gave birth to their first child in October last year, has suffered tempestuous relations with the press in the past, because he finds their intrusion unbearable.
But in the run-up to the March Academy Awards, Ledger has promised to work hard to improve his media image.
He tells Australia's Daily Telegraph, "I'm learning to deal with it a bit better, I think I am.
"That's been my problem. It's not necessarily a tantrum thing but it's a really bad way in which I've handled myself in the past.
"I can admit it's a little out of line to pull the finger out and I'm trying not to do that anymore. I'm trying to bite my finger these days."
Ledger reportedly kicked a paparazzo in 2003 while being snapped exiting a Sydney restaurant.
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