destino.png,
range.png
   Author: DNTeam
   License: GPLv3

canwalkmark.png
   Author: qubodup (Iwan Gabovitch <qubodup@gmail.com>)
   License: Public-Domain
   Reference: http://dnt.dnteam.org/FoRuM/viewtopic.php?f=10&t=161#p527
   Source: http://openclipart.org/detail/170661/
