How do challenges work and how can I participate?
Can I help promoting the challenges in some way?
What if I have an idea for a future challenge?
You can find all this information and more in the Ultra Fractal challenges FAQ, which is also part of our very first UF challenge, the one for February 2011.
If you already know the rules, then you're good to go - read on for this month's challenge!
Previous editions:
You can find all of the previous challenges in this journal. Please keep in mind that the challenge rules changed after the 26th edition!
Links to ALL UF challenges (updated periodically!)Since the UF challenges are growing in number, instead of linking them all in each new one, I thought I'd make a collection journal for all of them. This will contain all challenges held so far, from the newest (top) to the oldest (bottom), all conveniently thumbed for you! It will also be updated each month so that ALL challenges are reachable from here, even the newer ones. And this journal will of course be linked in every challenge, to keep them all connected
Sadly, challenge #11 is apparently a broken link. It's the only inaccessible one so far, though, so I may be able to restore it someday, if you guys wish me to.
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Now we can go on with the last challenge's results, and then I will introduce this month's challenge to you all.
Here is the August 2012 challenge, themed "Spiral Revival", and the deviations I've picked as the winners!
(Please note: do not feel offended if you're not in the top three. Winners are chosen basing on their way of representing the challenge theme, and I always try to be as impartial as possible while judging.)
First place goes to ~OutsideFate with Nothing with Significance:

Straightforward and mosaic-like in style, it reminds me much of Van Gogh's works for some reason. The lovely way the swirls turn to each other, in a perpetuously inverted motion, is simple and effective. Colours have been picked very well to top it off!
Second place goes to =Velvet--Glove with Riding the Thermal:

There's little questioning Chris' ability with spirals: all of them are really natural and with great textures and detail. While this spiral may not be very original, it still has beautiful features, such as the beautiful colour combination and the pleasant eye flow.
Third place goes to ~skulkey with Strokes:

It takes a really close look to tell this is actually a couple of (presumably Gopalsamy?) spirals! The vivid colour explosion and the skew give an incredibly dynamic outlook to this artwork, which offers a whole new twist on what spirals are like.
And as usual, here are the other beautiful challenge entries! Please take your time to look at them!

We're done for August. On to September!
Ultra Fractal monthly challenges Redux
Challenge #20: September 2012
September's challenge will be a Formula challenge - its title being Tribute to Light!
As most of you know, our dear Light (`SuicideBySafetyPin) has recently stepped down from her Community Volunteer position. Since she did a wonderful job and we all love her very much, here's the idea for this month - a challenge tributed to her
Additionally, for this one month, she will judge and pick the top three winners in my stead. So the deadline will be moved to September 25th instead of September 30th, so that she may choose and communicate me the winners in time for the October challenge
Here's the assignment we have this time around: all formulas used must include the word "Light" in them! Here is a complete list of the formulas in the public database that fit the criteria:
Fractal formulas:
Slightly Useless Julia in hth.ufm
Slightly Useless Mandelbrot in hth.ufm
Lale's DelightJ in rjs.ufm
Lale's DelightM in rjs.ufm
Pixel (slight move) in sam.ufm
Light in vdb.ufm
Light2 in vdb.ufm
Light3 in vdb.ufm
Light4 in vdb.ufm
Colouring algorithms:
Lighting in dmj.ucl
3D-Lighting in mbs.ucl
Lighting with Textures in reb5.ucl
Trap the Light Fantastic in tma.ucl
And as usual, here's your source of fractal inspiration - eye candy directly from Light's gallery.

Remember: to enter the challenge, post your deviation's link and thumb in a comment of this journal. ALSO: PLEASE MAKE SURE YOU LINK THIS NEWS ARTICLE IN THE DEVIATION. (Sorry for stating it so strongly, but I've had lots of people saying they'd enter the challenge without even stating it in their deviation comments, so I figured I'd better add this specification somewhere!)
Please spread the word by advertising this news article - we definitely want more participants. The more, the merrier!
This challenge's deadline is September 25th, 2012. Ready, set, GO!!!








Thanks Light