Great that you are keeping a fatherly eye on us Eric. Thanks.

However, this dumb one can not clearly understand what you are saying?

(I have a suspicion that, if you can be more explanatory, a lot of other puzzles will be cleared up!)

PS--Ahhhh?---I have the preferences set so shaders are seen regardless of context--it goes way ,way back to a landscape tute by Cajomi that could not be done untill after pleading for an answer to the difficulty, ----Johannes told me of the need to make that change.

bwtr