The new body parts can be used from the Creature phase onwards, and the resulting creatures can be uploaded to Sporepedia and shared with other players who have the C&C pack installed. Spore C&C can be installed onto either the Creature Creator Complete or the Spore full game.
Content in the C&C pack:
72 new body parts - 12 per palette (mouths, eyes, graspers, feet, limbs & details)
2 new creature editor backgrounds - 1 creepy & 1 cute
36 new paint scripts (12 base, 12 coat & 12 detail)
12 new paint themes
24 new test drive animations - 12 creepy & 12 cute