Open terminal from Applications/Accessories/Terminal,create a file
gedit filename
copy and paste all URLs into this file(one url as one line).
http://img.feedsky.com/images/icon_sub_c1s17_d.gif http://img.feedsky.com/images/icon_subshot01_zhuaxia.gif http://img.feedsky.com/images/icon_subshot01_pageflakes.gif http://img.feedsky.com/images/icon_subshot01_rojo.gif http://img.feedsky.com/images/icon_subshot01_google.gif http://img.feedsky.com/images/icon_subshot01_netvibes.gif http://img.feedsky.com/images/icon_subshot01_yahoo.gif http://img.feedsky.com/images/icon_subshot01_newsgator.gif http://img.feedsky.com/images/icon_subshot01_bloglines.gif http://img.feedsky.com/images/icon_subshot01_xianguo.gif http://img.feedsky.com/images/icon_subshot01_nazha.gif http://img.feedsky.com/images/icon_subshot01_youdao.gif http://img.feedsky.com/images/icon_subshot01_qq.gif http://img.feedsky.com/images/icon_subshot01_douban.gif
Then run this command to download from all URLs:
wget -i filename