QPixmap missing picture

I am writing a game and i use the four picture for the tank as following

tankUp = new QPixmap(":/CannonBattle/Resources/tank up.jpg");
tankDown= new QPixmap(":/CannonBattle/Resources/tank down.jpg");
tankRight =new QPixmap(":/CannonBattle/Resources/tank right.jpg");
tankLeft = new QPixmap(":/CannonBattle/Resources/tank left.jpg");

every thing is fine when i run the app on my deveploment computer, but i send app to my friend, he cannot see the tank picture. i have distributed three dlls "QtNetwork4.dll" "QtGui4.dll" and "QtCore4.dll". need help....

and the develpoment is english, my friend computer is chinese version

you have to supply the jpeg plugin... see here plugins

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Originally Posted by MrDeath

you have to supply the jpeg plugin... see here plugins

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thanks but how do I find out which plugin that I have used?

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Originally Posted by dognzhe

thanks but how do I find out which plugin that I have used?

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By thinking or reading the suggested doc! (-> Dependency Walker)

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Originally Posted by Lykurg

By thinking or reading the suggested doc! (-> Dependency Walker)

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joking? plugins will not show up in Dependency Walker.

yes they will not show up but dont you know which files your program uses? i mean u must be knowing that what is the extension of your pics? thats the plugin you need..