diff --git a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
index a0da8e6974..fcae72def2 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
@@ -3572,7 +3572,9 @@ public class I2PSnarkServlet extends BasicServlet {
             boolean isVideo = !isAudio && isVideo(mime);
             buf.append("<td class=\"snarkFileIcon\">");
             String preview = null;
-            if (complete || (isAudio && fai.preview > 1024*100) || (isVideo && fai.preview > 1024*1024)) {
+            if (complete ||
+                (isAudio && fai.preview > 100*1024) ||
+                (isVideo && fai.preview > 5*1024*1024 && fai.preview / (double) fai.length >= 0.01d)) {
                 String ppath = complete ? path : path + "?limit=" + fai.preview;
                 if (!complete) {
                     double pct = fai.preview / (double) fai.length;
diff --git a/apps/i2psnark/mime.properties b/apps/i2psnark/mime.properties
index a4c7b8b01c..f6d7342420 100644
--- a/apps/i2psnark/mime.properties
+++ b/apps/i2psnark/mime.properties
@@ -4,7 +4,9 @@
 ape	= audio/x-monkeys-audio
 bz2	= application/x-bzip2
 cue	= application/x-cue
+dff	= audio/x-dsd
 dmg	= application/apple-diskimage
+dsf	= audio/x-dsd
 epub	= application/epub+zip
 flac	= audio/flac
 flv	= video/x-flv
@@ -50,6 +52,7 @@ sud	= application/zip
 tbz	= application/x-bzip2
 torrent	= application/x-bittorrent
 txt	= text/plain
+vtt	= text/vtt
 war	= application/java-archive
 webm	= video/webm
 wma	= audio/x-ms-wma
diff --git a/installer/resources/themes/snark/dark/snark.css b/installer/resources/themes/snark/dark/snark.css
index e8056708c6..b44c442e13 100644
--- a/installer/resources/themes/snark/dark/snark.css
+++ b/installer/resources/themes/snark/dark/snark.css
@@ -773,6 +773,7 @@ th.headerdownloaded {
 .snarkFileIcon {
      width: 16px;
      padding: 0;
+     text-align: left !important;
 }
 
 .snarkFileStatusIcon {
diff --git a/installer/resources/themes/snark/ubergine/snark.css b/installer/resources/themes/snark/ubergine/snark.css
index 8bc3aaa269..c269867e2d 100644
--- a/installer/resources/themes/snark/ubergine/snark.css
+++ b/installer/resources/themes/snark/ubergine/snark.css
@@ -740,7 +740,7 @@ _:-ms-lang(x), .snarkTorrents tbody tr:hover, .snarkDirInfo tbody tr:hover {
 
 .snarkFileIcon {
      width: 16px;
-     text-align: center;
+     text-align: left !important;
      padding: 4px !important;
 }
 
diff --git a/installer/resources/themes/snark/vanilla/snark.css b/installer/resources/themes/snark/vanilla/snark.css
index 77623a36cd..c5faf78821 100644
--- a/installer/resources/themes/snark/vanilla/snark.css
+++ b/installer/resources/themes/snark/vanilla/snark.css
@@ -818,6 +818,7 @@ _:-ms-lang(x), .snarkTorrents tbody tr:hover, .snarkDirInfo tbody tr:hover {
 
 .snarkFileIcon {
      width: 16px;
+     text-align: left !important;
 }
 
 .snarkFileIcon img, .snarkFileIcon img:hover {