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Very Cool! ...and very fast! :-) Thank you for participating in this challenge.

hehe. thank you, this is because i am not busy atm.

LOL, well they are great.
I was experimenting with a hybrid of your designs (just a rough copy/paste)

yeah. looks good too, with lines.

Keren.....

this one i like a lot, going to give it a try myself tomorrow.. ... simple but effective