Step 1: Have dog guard door so you can't be disturbed
Step 2: Cut ugly hole in wall and re-route light switch/wires to newly installed junction box (not shown)
Step 3: Make sure there are no other electrical wires in wall by taking picture. Safety first!
Step 4: Build liquor cabinet above taps, make insulated box for faucet shanks and cover ugly hole in wall with drywall.
Step 5: Plaster ugly drywall
Step 6: TIG-weld tailpieces on beer shanks
Step 7: Machine aluminum blocks and sweat some copper lines to keep beer shanks cold, all the way to the faucet.
Step 8: Put tile on wall and grout same. Mix too much grout and leave excess to harden on back porch picnic table in bucket so you can never use bucket, again.
Step 9: Search interwebz for picture of trunk line
Step 10: Make trunk line with chiller lines in center, wire -tie together, wrap with saran wrap for vapor barrier, tin foil for thermal barrier, foam pipe wrap for insulation and electrical tape the whole mess together for aesthetics and to keep it from falling apart
Step 11: Have German engineers thoroughly inspect trunk line for quality
Step 12: Run trunk line into spare fridge, in basement.
Step 13: Use pond/fountain pump to recirculate RV anti-freeze through chiller lines of trunk line.
Feel free to employ judicious use of shop-vac on return line to start flow if pump does not have enough head to start circulation by itself
Step 14: Pour beer, drink same, smoke pipe while drinking.