I pretty much did exactly like you did in the link Norco except my holes are/where smaller :) and closer to the center of the lid...I can not move the holes but I can/did make them bigger. Also my nipples are longer but I don't think that has much to do with it, but I could be wrong.
Old hole size pic...
-Smoke-N-Pit Deluxe (newer, crappier model for grill use only)
-New Braunsfels Hondo (older made in Texas)
-'83 Weber Kettle, No date code kettle, A Platinum Kettle (blue with table) and a little O' Smokey Joe
-Older Green Weber Silver Genesis
cmcadams: "What exactly does 'extra bacon' mean? That confuses me, as I don't think it's possible... However, not enough bacon is possible!"