[Kapitoshka438]

Код:

var
  Stream: TFileStream;
begin
  Stream := TFileStream.Create('Temp.jpg', fmCreate);
  TBlobField(Table.FieldByName('Photo')).SaveToStream(Stream);
  Stream.Free;
  Image1.Picture.LoadFromFile('Temp.jpg');
  DeleteFile('Temp.jpg');
end;