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ListBox1.Items.AddObject('Erstes Bitmap',  Image1.Picture.Bitmap);
ListBox1.Items.AddObject('Zweites Bitmap',  Image2.Picture.Bitmap);
ListBox1.Items.AddObject('Dies ist'#13'das dritte Bitmap ',  Image3.Picture.Bitmap);					

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procedure TForm1.ListBox1DrawItem(Control: TWinControl;
            Index: Integer;Rect: TRect; State: TOwnerDrawState);
var Bitmap: TBitmap;
    OutChar: PChar;
    TS: TStrings;
    CV: TCanvas;
begin
  If Control is TCustomListBox Then Begin
    TS := TCustomListBox(Control).Items;
    CV := TCustomListBox(Control).Canvas;
  End Else If Control is TCustomComboBox Then Begin
    TS := TCustomComboBox(Control).Items;
    CV := TCustomComboBox(Control).Canvas;
  End;
  OutChar := StrAlloc(length(TS.Strings[Index]) + 1);
  StrPCopy(OutChar, TS.Strings[Index]);
  with CV do begin
    FillRect(Rect);
    if TS.Objects[Index] <> nil then begin
      Bitmap := TS.Objects[Index] as TBitmap;
      BrushCopy(Bounds(Rect.Left + 2, Rect.Top + 2,
                Bitmap.Width, Bitmap.Height), Bitmap,
                Bounds(0, 0, Bitmap.Width, Bitmap.Height),
                Bitmap.Canvas.Pixels[0,Bitmap.Height]);
    end;
    Rect.Left := Rect.Left + Bitmap.Width + 4;
    Rect.Bottom := Rect.Top + Bitmap.Height + 4;
    DrawText(Handle, OutChar, StrLen(OutChar), Rect, dt_WordBreak);
    StrDispose(OutChar);
  end;
end;