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  LoadGraphicFromFile(aFileName, aGraphic); // Create TGraphic, LoadfromFile, mit TNTStreams, daher ein kleiner Umweg

  if Assigned(aGraphic) then
  begin
      if SafeResizedGraphic(aGraphic, CoverSavePath + newID + '.jpg', 240, 240) then
          result := newID;
      aGraphic.Free;
  end

///.....

function SafeResizedGraphic(aGraphic: TGraphic; dest: WideString; W,h: Integer; OverWrite: Boolean = False): boolean;
var BigBmp, SmallBmp: TBitmap;
    xfactor, yfactor:double;
    aJpg: tJpegImage;
    aStream: TTntFileStream;
begin
  result := True;
  if Not Overwrite and WideFileExists(dest) then exit; // Wenn "kleines Cover" schon existiert: Abbruch
  
  BigBmp := TBitmap.Create;
  SmallBmp := TBitmap.Create;

  try
      BigBmp.Assign(aGraphic);

      SmallBmp.Width := W;
      SmallBmp.Height := H;

      if aGraphic <> NIL then
      begin
          if (aGraphic.Width = 0) or (aGraphic.Height=0) then exit;
          xfactor:= (W) / aGraphic.Width;
          yfactor:= (H) / aGraphic.Height;
          if xfactor > yfactor then
            begin
              SmallBmp.Width := round(aGraphic.Width * yfactor);
              SmallBmp.Height := round(aGraphic.Height * yfactor);
            end else
            begin
              SmallBmp.Width := round(aGraphic.Width * xfactor);
              SmallBmp.Height := round(aGraphic.Height * xfactor);
            end;

          SetStretchBltMode(SmallBmp.Canvas.Handle, HALFTONE);
          StretchBlt(SmallBmp.Canvas.Handle, 0 ,0, SmallBmp.Width, SmallBmp.Height, BigBmp.Canvas.Handle, 0, 0, BigBmp.Width, BigBmp.Height, SRCCopy);
          aJpg := TJpegImage.Create;
          aJpg.CompressionQuality := 90;
          aJpg.Assign(Smallbmp);
          try
              aStream := TTntFileStream.Create(dest, fmCreate or fmOpenWrite);
              try
                aJpg.SaveToStream(aStream);
              finally
                aStream.free;
              end;
          except
              // silent exception. Cover saving failes.
          end;

          aJpg.Free;
      end;
  except //Showmessage('Fehler in Saferesized')
    if WideFileExists(dest) then WideDeleteFile(dest);
    result := False;
  end;
  SmallBmp.Free;
  BigBmp.Free;
end;					

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for i := 0 to GanzViel do
begin
  SendMessage an MainWindow: Machmal was mit AudioFile[i];
end;
// Nachbearbeitung
Machwas mit den gesammelten Daten.