This tiny bash application downloads music files using wget. You don't need to buy any account from chomikuj.pl, it doesn't count towards your limit etc. This software uses the URLs used by the webplayer on the website.
Usage:
chuj-dl URL
Example:
chuj-dl 'http://chomikuj.pl/J.D.a.d.1980/Music+Poland/Psychocukier/(2013)++Diamenty/07+-+Psychocukier+-+Czas,3468766147.mp3'