gasp indeed, Floyd! i love all of your teasers for 2.1 - the materials/textures you use on those incredible shapes are absolutely fantastico! kudos!
@ Fouad: as i already mentioned, Digits’ script somehow puts me here on my mac in some kind of awkward demomode, so i am sorry that for now there is no way to record a script (or save the tools or the like)
the ones i posted last time were done like this: a) draw a sphere, paint a twisted stroke with either simple or paintbrush over it, load the script, make a zsphere tool using “save stroke” and “make zsphere tool” buttons, follow the textureing steps 1-4 as given in the .pdf (i went for the checker one) and place the worms over and over until the canvas is filled… fiddling with material, render and light settings, best render, voila. b) same pic, mirrored and making use of the adjustments subpalette in rendermenu following the tips i was given in this thread c) this is some textured wormtool with global perspective on, snapshot and pushed into the background via the move gyro about 50 times - cameyos ZPlace-script would do the job in 20 seconds, i assume, but i havent found time to get acquainted with it yet (due to wasting it on snapshotting jobs like this ;))!
Digits Widgets interpolate function should be capable to accomplish the same, as far as i remember
however: after a best render i did an mrgbzgrab and filled a new layer with the new texture using flat material. i flipped that layer and moved it backwards, then increased transparency settings for the material on the original layer (i believe it was “darken edge” mat) and did another best render with flatten layers off to achieve transparency. does that help? cant wait to see you share your worms here 
today i did some pretty cool looking clouds by making use of the “auto” function to achieve differently sized nodes, then increasing their size further by pressing the +.25 button a few times - but i lost that doc because i carelessly overwrote it with the below one, which hopefully isnt too dark:

tool was created from a stroke painted over a ring 3d-tool with minimized inner radius, a few gravity-deformations were used to enhance the bend after applying Zifworm 2.0 - the tool was then snapshot and placed linking into each other several times.