The last KAL of 2015 was two patterns from Coop Knits Socks Volume 2: Orville and Wilbert. What you can see from the pictures of the finished socks is how much the yarn used changes the look of the same pattern.
These pairs of Orvilles were made by, from top to bottom, cvd-aviatrix, MissFrances and writergirl3. You can see how the middle pair were knit with a far less fluffy yarn than the other two, giving a much sharper stitch definition. It could be the differing light conditions in which the photos were taken except.....
These Wilberts, made by, from top to bottom, mandyscragg, writergirl3, have far less variation.
I guess that's one of the fascinating things about knitting: that you're never going to know exactly how things will turn out until you've made a good start.
The randomly selected winners from the KAL are MissFrances, mandyscragg and writergirl3, and yarn winners are agita and cvd-aviatrix. There are other KALs running currently in the CoopKnits Ravelry group. Have a look and join in!