The $10 t-shirt deal of the day over at RIPT Apparel is a mash-up of Monty Python and Alien called “Ministry of Alien Silly Walks” by artist 6amcrisis.

The sale at RIPT began today, Thursday, August 25, 2011, at midnight CST, and will continue for 24 hours from then, and once it’s over, it will not be sold on the site anymore.

The t-shirt is available in men’s and women’s sizes for $10 each in black. Kids sizes are $15 (Boys, Girls, and Toddler in black); Onesies are $18 (in black). You can also get the design on a Hoodie for $38 (in Men/Unisex sizes in black).

Here’s what the artist had to say about the design:

My illustration “The Ministry of Alien Silly Walks” is a tribute to two things I love – Monty Python and the Alien movie series. You have to admit John Cleese has a certain alien-esque quality to his gangly frame.

What do you think of the design? I love it, I can’t stop laughing when I look at it. The original John Cleese Python skit gets me every time so adding in an alien, that’s hilarious.