diff --git a/gnu-linux/install.sh b/gnu-linux/install.sh
index b3008e9..f20d879 100755
--- a/gnu-linux/install.sh
+++ b/gnu-linux/install.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/sh
 #
 # Installation script for Pombo.
 #
@@ -11,15 +11,19 @@ fi
 inst_dir=/usr/local/bin
 [ -d ${inst_dir} ] || inst_dir=/usr/local/sbin
 
-src_dir=""
-[ -f pombo.py ] || src_dir="../"
+script=$(readlink -f "$0")
+# Absolute path install.sh script is in
+src_dir=$(dirname "$script")
+# Absolute path of Pombo main dir (without trailing /)
+src_dir=$(dirname "$src_dir")
+
 
 echo "\nInstalling (verbose) ..."
 [ -f /etc/pombo.conf ] && mv -fv /etc/pombo.conf /etc/pombo.conf.$(date '+%s')
-install -v ${src_dir}pombo.conf /etc
+install -v ${src_dir}/pombo.conf /etc
 echo "« chmod 600 /etc/pombo.conf »"
 chmod 600 /etc/pombo.conf
-install -v ${src_dir}pombo.py ${inst_dir}/pombo
+install -v ${src_dir}/pombo.py ${inst_dir}/pombo
 echo "« chmod +x ${inst_dir}/pombo »"
 chmod +x ${inst_dir}/pombo
 
@@ -43,12 +47,13 @@ echo "Done."
 
 echo "\nChecking dependancies ..."
 ok=1
-for package in python gpg ifconfig iwlist traceroute streamer; do
+
+for package in python gpg ifconfig iwlist traceroute streamer; do    
     test=$(which ${package})
-    [ $? != 0 ] && echo " ! ${package} needed but not installed." && ok=0
+    [ $? != 0 ] && echo " ! ${test}.... ${package} needed but not installed." && ok=0
 done
-python check-imports.py
-[ $? != 0 ] && ok=0
+echo "Shell script uses Python $(python --version)"
+python ${src_dir}/tools/check-imports.py
 case ${ok} in
     1) echo "Done." ;;
     *) echo "Please install necessary tools before continuing." ;;
diff --git a/gnu-linux/uninstall.sh b/gnu-linux/uninstall.sh
old mode 100644
new mode 100755
index 891eafe..e57bfeb
--- a/gnu-linux/uninstall.sh
+++ b/gnu-linux/uninstall.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/sh
 #
 # Uninstallation script for Pombo.
 #
diff --git a/pombo.conf b/pombo.conf
index fc0e877..ad1520f 100644
--- a/pombo.conf
+++ b/pombo.conf
@@ -131,6 +131,8 @@ screenshot=yes
 ; Take webcam shot?
 ; <filepath> will be replaced by a filename, do not customize (required).
 ; [W] yes or no
+; [L] /usr/bin/streamer -q -t 1 -r 2 -o  <filepath>
+; [L] /usr/bin/streamer -q -t 1 -r 2 -j 100 -s 640x480 -o <filepath>
 ; [L] /usr/bin/streamer -q -w 3 -o <filepath>
 ; [L] /usr/bin/streamer -q -j 100 -w 3 -s 640x480 -o <filepath>
 ; [L] /usr/bin/gst-launch -q v4l2src num_buffers=1 decimate=70 ! pngenc ! filesink location=<filepath>
diff --git a/pombo.py b/pombo.py
index 6abaf32..1ddb860 100644
--- a/pombo.py
+++ b/pombo.py
@@ -629,8 +629,8 @@ def snapshot_sendto_server(self, filename, data):
 
         # Send to the webserver (HTTP POST).
         parameters = {"filename": filename, "filedata": filedata, "token": authtoken}
+        txt = "Sending file (%s) to %s"
         for distant in self.configuration["server_url"].split("|"):
-            txt = "Sending file (%s) to %s"
             self.log.info(txt, sizeof_fmt(len(filedata)), urlsplit(distant).netloc)
             self.request_url(distant, "post", parameters)
 
@@ -699,9 +699,9 @@ def snapshot(self, current_ip):
                     "-r",
                     self.configuration["gpgkeyid"],
                     "-o",
-                    output,
-                    "-e",
                     output + ".gpg",
+                    "-e",
+                    output,
                 ]
             )
 
@@ -842,13 +842,15 @@ def webcamshot(self, filename):
             )
             cmd = self.configuration["camshot"].replace("<filepath>", filepath)
             self.runprocess(cmd, useshell=True)
-            if os.path.isfile(filepath):
-                if self.configuration["camshot_filetype"] == "ppm":
-                    full_path_ = os.path.join(temp, filename)
-                    new_path_ = "{}_webcam.jpg".format(full_path_)
-                    self.runprocess(["/usr/bin/convert", filepath, new_path_])
-                    os.unlink(filepath)
-                    filepath = new_path_
+            if (
+                os.path.isfile(filepath)
+                and self.configuration["camshot_filetype"] == "ppm"
+            ):
+                full_path_ = os.path.join(temp, filename)
+                new_path_ = "{}_webcam.jpg".format(full_path_)
+                self.runprocess(["/usr/bin/convert", filepath, new_path_])
+                os.unlink(filepath)
+                filepath = new_path_
 
         if not os.path.isfile(filepath):
             return None