Add the bin sub-directory to your path, e.g.:
setenv PATH $PATH:/usr/share/jpgfdraw-0.5.6b/bin
or
export PATH=$PATH:/usr/share/jpgfdraw-0.5.6b/bin
or
declare -x PATH=$PATH:/usr/share/jpgfdraw-0.5.6b/bin
You can add this line to your login script. (The name varies, but
it may be ~/.cshrc
, ~/.bashrc
, ~/.login
or
~/.profile
--check your system's documentation.)