Heat beer, shallots, garlic, butter, and parsley in large pot on medium to medium-high heat to just before boiling. add mussels and curry powder, cover, and let sit for 3-5 minutes, then shake the pot slowly. Steam for 8 minutes, covered. Add cream and black pepper, and shake the pot slowly 3-4 more times, or until everything blends together and all mussels are opened. Discard unopened mussels.
Serve the mussels in the curry sauce with the toasted french bread for dipping.