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
BirtImageLoader imageLoader = new BirtImageLoader( );
								EmbeddedImage image = imageLoader.save( getModuleHandle( ),
										fullPath,
										fileName );
								embeddedImageList.add( image.getName( ) );
								embeddedImageList.select( embeddedImageList.indexOf( image.getName( ) ) );
								updateButtons( );
							}
						}
					}
					catch ( Throwable e )
					{
						preview( );
						if ( e instanceof OutOfMemoryError )
						{
							e = GUIException.createGUIException( ReportPlugin.REPORT_UI,
									e );
						}
						ExceptionHandler.handle( e,
								DLG_TITLE_LOADING_FAIL,
								DLG_ERROR_MSG_LOADING_FAIL );
					}
				}
			} );
		}
		else if ( type == BLOB_TYPE )
		{
			inputButton = new Button( inputArea, SWT.PUSH );
			inputButton.setText( BUTTON_SELECT_IMAGE_DATA ); 
			inputButton.setEnabled( !getModuleHandle( ).getVisibleDataSets( )