diff --git a/chertex.sh b/chertex.sh
index 547315e..9ce2f0a 100755
--- a/chertex.sh
+++ b/chertex.sh
@@ -32,7 +32,7 @@ Rfiletype="R"
 TeXfiletype="tex"
 tikzfiles="*.tikz"
 Rnwfiles="*.Rnw"
-auxfiles="*.aux *.bbl *.bcf *.blg *.fdb* *.figlist *.lof *.log *.lox *.makefile *.map *.out *.run* *.tdo *.toc *.dep *.dpth"
+auxfiles="*.aux *.bbl *.bcf *.blg *.fdb* *.figlist *.lof *.log *.lot *.lox *.makefile *.map *.out *.run* *.tdo *.toc *.dep *.dpth"
 
 if [ $# -eq 1 ]; then
 	# Check if the argument contains a filetype
diff --git a/semtiffconv.sh b/semtiffconv.sh
new file mode 100755
index 0000000..39fe12e
--- /dev/null
+++ b/semtiffconv.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+## Convert TIFF images into PNG images and create an aggregated PDF
+## Written August 20, 2010
+## Taha Ahmed
+
+mogrify -format png *.tif
+convert *.tif ${PWD##*/}.pdf
+
+exit 1