[lug] Free Linux Icons?

[stimits at comcast.net]

I've been looking for small logo type linux icons/artwork, e.g., penguin art or similar (I could add text if the image is plain). There is a LOT of things I like under images.google.com (just search for "linux"), but I'm afraid if I just use something there that looks good whoever owns it might get upset.

Here are some examples of the type of image I like:

http://www.google.com/imgres?imgurl=http://tv-on-net.info/wp-content/uploads/2015/05/linux_logo.jpg&imgrefurl=http://tv-on-net.info/tag/linux/&h=350&w=342&tbnid=dlsrba6nUbqjKM:&zoom=1&docid=8ViF-qLKgu5VhM&ei=Z5FwVavbDIeTsAXLqYDIBQ&tbm=isch&ved=0CCUQMyghMCE4ZA

http://www.google.com/imgres?imgurl=http://static.betazeta.com/www.fayerwayer.com/up/2011/04/tux-300x300.jpg&imgrefurl=http://www.fayerwayer.com/2011/04/fundacion-linux-opina-que-ya-derroto-a-microsoft/&h=300&w=300&tbnid=BnbgWmAKd4jwrM:&zoom=1&docid=gbPrESnEQPkCnM&ei=4ZFwVeHHCITHsAXa0YGwDA&tbm=isch&ved=0CDoQMyg2MDY4yAE

http://www.unixstickers.com/image/cache/data/stickers/little-tux/xlittletux_bumper.sh-340x340.png.pagespeed.ic.kjO0KL_WeZ.png

...but what I really need is something like the above simple pro-linux images which are known to be free to use around on the internet. Anyone know where to find a  listing of many such images which are free to copy and paste all over?

Thanks!
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