How to add a gif to a Qt Project?

[Bong.Da.City]

I had add this to the constructor and the label just do not show nothing... ( the part that is saying icons/bsusy.gif i had changed it to :/icons/bsusy.gif but still nothing )

QLabel FlamesLabel;
        QMovie *movie = new QMovie("icons/bsusy.gif");
 
        FlamesLabel.setMovie(movie);
        movie->start();

QLabel FlamesLabel;
        QMovie *movie = new QMovie("icons/bsusy.gif");

        FlamesLabel.setMovie(movie);
        movie->start();

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Any ideas?