Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

uses
   MSHTML_TLB;

 // First navigate to a page 
// Zuerst eine Seite laden 
procedure TForm1.Button1Click(Sender: TObject);
 begin
   Webbrowser1.Navigate('www.google.ch');
 end;

 // Then execute the following code: 
// Dann diese Routine ausfьhren: 
procedure TForm1.Button2Click(Sender: TObject);
 var
   i: Word;
   ImageWidth, ImageHeight: Integer;
   ImageHref, ImageFileSize, ImageTextAlternative: string;
   Document: IHtmlDocument2;
 begin
   // Loop through all images of a TWebbrowser 
  // Schleife ьber alle Bilder im Webbrowser 
  for i := 0 to WebBrowser1.OleObject.Document.Images.Length - 1 do
   begin
     Document := WebBrowser1.Document as IHtmlDocument2;
     // Retrieves the calculated width of the image. 
    ImageWidth := WebBrowser1.OleObject.Document.Images.Item(i).Width;
     // Retrieves the height of the image. 
    ImageHeight := WebBrowser1.OleObject.Document.Images.Item(i).Height;
     // Retrieves the file size of the image. 
    ImageFileSize := (Document.Images.Item(i, 0) as IHTMLImgElement).FileSize;
     // Retrieves the entire URL that the browser uses to locate the image 
    ImageHref := (Document.Images.Item(i, 0) as IHTMLImgElement).Href;
     // Retrieves a text alternative to the graphic. 
    ImageTextAlternative := (Document.Images.Item(i, 0) as IHTMLImgElement).alt;
     // Show image information in a TListbox 
    ListBox1.Items.Add(Format('%s : %d x %d Pixels; %s Bytes; %s',
       [ImageHref, ImageWidth, ImageHeight, ImageFileSize, ImageTextAlternative]));
   end;
 end;