I believe that "IMAGES" is not a qmake variable for qt4.
Use RESOURCES instead.

For example,
RESOURCES += myresources.qrc
and then in myresources.qrc you could have something like
Qt Code:
  1. <RCC>
  2. <qresource prefix="/" >
  3. <file>icons/icon1.png</file>
  4. <file>icons/resize.png</file>
  5. </qresource>
  6. </RCC>
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