if (icon!=null && pe instanceof ContainerShape) {
				boolean addImage = true;
				ContainerShape containerShape = (ContainerShape)pe;
				GraphicsAlgorithm ga = (GraphicsAlgorithm)AbstractBpmn2AddFeature.getGraphicsAlgorithm(containerShape);
				for (PictogramElement child : containerShape.getChildren()) {
					if (child.getGraphicsAlgorithm() instanceof Image) {
						addImage = false;
						break;
					}
				}
				if (ga!=null) {
					for (GraphicsAlgorithm g : ga.getGraphicsAlgorithmChildren()) {
						if (g instanceof Image) {
							addImage = false;
							break;
						}
					}
				}
				else
					addImage = false;
				
                                 if (addImage) {
					Image img = CustomTaskImageProvider.createImage(customTaskDescriptor, ga, icon, 24, 24);
					Graphiti.getGaService().setLocationAndSize(img, 2, 2, 24, 24);
				}
			}