Some spotlights come with an integral pull cord switch, and these can be only wall mounted. Other single spots are ideal for both wall mounting and for ceiling mounting, being fully rotating and adjustable (up-down, rotating 180 degrees). These single spots are an ideal solution for the bedroom, the bathroom, the living room, etc.
Firstlight 6095CH Ocean Single Bathroom Spotlight
Astro Lighting 6004 Polar White Recessed Spotlight
Astro Lighting 6113 Ovale Single White Spotlight
6119 Magna Bronze Single Wall / Ceiling Spotlight
Nordlux 59372029 Photo Wall Spot Light with Clamp
Read more about the Ovale single spot, the Ocean bathroom spotlight, the Nordlux Photo spot with clamp, and the Polar white spot light via the NewLights blog, updates on the new lights at Sparks.