19a20,23
> # patch Walter: on the server (if $MiniGeneratedAlready=TRUE) do not check that the thumbnails are younger than the originals, 
> #     the timestamp is set by the copy to the server
> #     and the thumbnails should be correctly generated locally before copy to the server!
> SDV($MiniGeneratedAlready, FALSE);
49c53
<     $UploadPrefixFmt, $EnableDirectDownload, $Mini;
---
>     $UploadPrefixFmt, $EnableDirectDownload, $Mini, $MiniGeneratedAlready;
142a147
> 
152c157
<     if(file_exists($mpath) && filemtime($mpath)>=filemtime($fpath))
---
>     if(file_exists($mpath) && ($MiniGeneratedAlready || filemtime($mpath)>=filemtime($fpath))) {
154c159
<     else{
---
>     }else{