Bug 183900 Image in preview pane will not show until you reopen the "Edit Image Item" dialogue [0001]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
{
				switchTo( URI_TYPE );
			}
		} );
		resource = new Button( selectionArea, SWT.RADIO );
		resource.setText( TYPE_RESOURCE_FILE ); 
		resource.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				switchTo( FILE_TYPE );
			}
		} );
		embedded = new Button( selectionArea, SWT.RADIO );
		embedded.setText( TYPE_EMBEDDED_IMAGE );
		embedded.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				switchTo( EMBEDDED_TYPE );
			}
		} );
		dynamic = new Button( selectionArea, SWT.RADIO );
		dynamic.setText( TYPE_DYNAMIC_IMAGE ); 
		dynamic.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				switchTo( BLOB_TYPE );
			}
		} );
	}
	private void createInputArea( Composite parent )