Okay I followed instructions and got the following:

william@ubuntu:~$ cd Desktop
william@ubuntu:~/Desktop$ tar xvfj pandodl-0.9.2.0.tar.bz2
./
./pandodl-21684/
./pandodl-21684/bin/
./pandodl-21684/bin/pandoDownloader
./pandodl-21684/lib/
./pandodl-21684/lib/libfreebl3.so
./pandodl-21684/lib/libnspr4.so
./pandodl-21684/lib/libnss3.so
./pandodl-21684/lib/libnssckbi.so
./pandodl-21684/lib/libplc4.so
./pandodl-21684/lib/libplds4.so
./pandodl-21684/lib/libsmime3.so
./pandodl-21684/lib/libsoftokn3.so
./pandodl-21684/lib/libssl3.so
./pandodl-21684/lib/libwx_gtk2_aui-2.8.so.0
./pandodl-21684/lib/libwx_gtk2_xrc-2.8.so.0
./pandodl-21684/lib/libwx_gtk2_qa-2.8.so.0
./pandodl-21684/lib/libwx_gtk2_html-2.8.so.0
./pandodl-21684/lib/libwx_gtk2_adv-2.8.so.0
./pandodl-21684/lib/libwx_gtk2_core-2.8.so.0
./pandodl-21684/lib/libwx_base_xml-2.8.so.0
./pandodl-21684/lib/libwx_base_net-2.8.so.0
./pandodl-21684/lib/libwx_base-2.8.so.0
./pandodl-21684/pandodl
./pandodl-21684/pando_icon48.png
./pandodl-21684/README
./pandodl-21684/LICENSE
./pandodl-21684/COPYING
./pandodl
william@ubuntu:~/Desktop$ export PANDO_HOME=/PATH/TO/PANDODL_DIR
william@ubuntu:~/Desktop$ $PANDO_HOME/pandodl
bash: /PATH/TO/PANDODL_DIR/pandodl: No such file or directory
william@ubuntu:~/Desktop$


Here are the directions:

See http://www.pando.com/link/what for more details.

- This package includes third party software, listed below with location
where
source for this software may be found is listed below.
WxWidgets 2.8 - http://www.wxwidgets.org/downloads/
NSS 3.11.2 -
ftp.mozilla.org/.../