Now sanakakucomplex.com API don't return original image url. This script help store images from sankakucomplex to your hard drive. Usage examples:
danbooru_downloader -q vocaloid+order:popular -p ~/Desktop -c 60
store to your Desktop folder 60 most popular images with "vocaloid" tag
danbooru_downloader -d http://konachan.com/ -c -1
download to imgs folder all images from konachan.com