Tonebender noise and grounding tips

[skrunk]

I've just finished populating a tonebender build with an OC75 set from smallbear.
It's all biased and sounds pretty good, but just want to check about grounding before I box it up., to keep noise to a minimum.

I'm thinking of using this pnp wiring diagram from GGG:
http://www.generalguitargadgets.com/diagrams/switch_lo_3pdt_tb_dcj_pnp_gi.gif

Should I take a separate wire from the pos. ground rail (it's on vero) for each of the input jack, output jack, battery terminal etc or should I
chain the grounds from say the input sleeve, like a 'star chain' configuration? (or is this the same thing?)
I'm using an LED but no DC jack and a 1590BB.
Grounding often confuses me and I sometimes feel I'm not using the best method.

Any other tips on noise reduction? Would using shielded cable for the input/output make much difference?
I couldn't resist using carbon comp resistors for this build, probably shouldn't have in hindsight.

Also, I'm thinking of putting a shottky diode in series from the '-' of the battery terminal to the effect with the bar end at the battery.
A good idea?
Thanks.

[GibsonGM]

LOL, carbon comps are VERY noisy...the other changes will probably be swamped by them!
OTOH, shielded cable on the input is always good.
Star grounding is good, too - can't hurt, and keep it in my for the next build. I bring my battery ground (usually "-", but not in your case) to 1 part of the switching input jack, and the board, LED and output jack ground to the other side of the input jack. Inserting a plug switches it all "on"...and it is very much like star grounding. 

I have no opinion on the Schottky diode...what's the purpose?