declare -rf bpgallery_default_description
function bpgallery_default_thumbsline() {
+if [[ -z $caption ]]; then
+ caption_alt=Unknown
+else
+ caption_alt=$caption
+fi
cat << END
-<div class="thumbnail"><a href="$filename"><img src="icons/$filename" /></a><div class="caption">$caption</div></div>
+<div class="thumbnail"><a href="$filename"><img src="icons/$filename" alt="$caption_alt" /></a><div class="caption">$caption</div></div>
END
}