diff --git a/seeddms/srv/seeddms/conf/settings.xml b/seeddms/srv/seeddms/conf/settings.xml
index 900693a..34b8e81 100644
--- a/seeddms/srv/seeddms/conf/settings.xml
+++ b/seeddms/srv/seeddms/conf/settings.xml
@@ -38,6 +38,12 @@
             <converter mimeType="text/plain">cat %s</converter>
         </converters>
         <converters target="preview">
+            <converter mimeType="image/png">convert -resize %wx '%f' '%o'</converter>
+            <converter mimeType="image/gif">convert -resize %wx '%f' '%o'</converter>
+            <converter mimeType="image/jpg">convert -resize %wx '%f' '%o'</converter>
+            <converter mimeType="image/jpeg">convert -resize %wx '%f' '%o'</converter>
+            <converter mimeType="image/svg+xml">convert -resize %wx '%f' '%o'</converter>
+            <converter mimeType="application/pdf">convert -density 100 -resize %wx '%f[0]' '%o'</converter>
             <converter mimeType="text/rtf">unoconv -d document -e PageRange=1-1 -f pdf --stdout '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dPDFFitPage -r72 -sOutputFile=- -q - | convert -resize %wx png:- '%o'</converter>
             <converter mimeType="application/msword">unoconv -d document -e PageRange=1-1 -f pdf --stdout '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dPDFFitPage -r72 -sOutputFile=- -q - | convert -resize %wx png:- '%o'</converter>
             <converter mimeType="application/vnd.oasis.opendocument.text">unoconv -d document -e PageRange=1-1 -f pdf --stdout '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dPDFFitPage -r72 -sOutputFile=- -q - | convert -resize %wx png:- '%o'</converter>
@@ -52,6 +58,8 @@
             <converter mimeType="text/plain">unoconv -d document -e PageRange=1-1 -f pdf --stdout '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dPDFFitPage -r72 -sOutputFile=- -q - | convert -resize %wx png:- '%o'</converter> 
         </converters>
         <converters target="pdf">
+            <converter mimeType="text/rtf">unoconv -d document -f pdf -o '%o' '%f'</converter>
+            <converter mimeType="application/msword">unoconv -d document -f pdf -o '%o' '%f'</converter>
             <converter mimeType="application/vnd.oasis.opendocument.text">unoconv -d document -f pdf -o '%o' '%f'</converter>
             <converter mimeType="application/vnd.openxmlformats-officedocument.wordprocessingml.document">unoconv -d document -f pdf -o '%o' '%f'</converter>
             <converter mimeType="application/vnd.ms-excel">unoconv -d spreadsheet -f pdf -o '%o' '%f'</converter>
@@ -61,6 +69,7 @@
             <converter mimeType="application/vnd.oasis.opendocument.presentation">unoconv -d presentation -f pdf -o '%o' '%f'</converter>
             <converter mimeType="application/vnd.openxmlformats-officedocument.presentationml.presentation">unoconv -d presentation -f pdf -o '%o' '%f'</converter>
             <converter mimeType="text/html">unoconv -d document -f pdf -o '%o' '%f'</converter>
+            <converter mimeType="text/plain">unoconv -d document -f pdf -o '%o' '%f'</converter>
         </converters>
     </advanced>
     <extensions/>