From left to right we have
Stac Pollaidh (or Stac Polly for the phonetically inclined), Suilven, Cul Mor and Cul Beag. Ref# 013-01 Internal Search Keywords: Northern Highlands of Scotland, Cul Beag, Cul Mor, Suilven, Stac Polly, Stac Pollaidh, Sutherland, Hill, Mountain, Inverpolly, Loch, Lake