Setting background image of QFrame

[Claymore]

Hello! I'm having some trouble getting a background image to show up in a QFrame using Qt 4.2.2. Here is a snippit of the code that I have:

ui.frame->setStyleSheet("background-image: url(:/images/menu_background.png);"
  "background-repeat: repeat;");

ui.frame->setStyleSheet("background-image: url(:/images/menu_background.png);"
  "background-repeat: repeat;");

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The image being referenced is pulled in via a QRC file I have in the project. However, for some reason the image isn't showing up... Is there something I'm doing wrong?

Here's the contents of the QRC file for reference:

<RCC>
	<qresource prefix="/" >
		<file>images/menu_background.png</file>
	</qresource>
</RCC>

<RCC>
	<qresource prefix="/" >
		<file>images/menu_background.png</file>
	</qresource>
</RCC>

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Thanks!

- Clay