for more carbs...simply eat more fruits and veggies. HA! Sure you meant more variety...if that is the case, try having yams, pumpkin, parsnip or a lara bar (on occasion and pwo). Tons of great recipes in the PM Journal, Robb's DVD and Robb's and Scott's paleo-friendly recipe e-book.
100,000 generations of humans have been hunters and gatherers; 500 generations have been agriculturalists; ten have lived in the industrial age; and only one has been exposed to the world of computers.