Windows 7 Pro 32 bit
NB:This behaviour is seen in previous versions also
When using an imagelist with a listcontrol having extended styles ONECLICKACTIVATE, FULLROWSELECT & CHECKBOXES the images from the imagelist bleed.
Removing the CHECKBOXES style corrects this.
I include a test script with a couple of images.
Also a jpg of how it renders on my screen in case this is operating system or video card related.