Places to stay - my favourite west coast hotel is the Prince's House in Glenfinnan. Nice rooms, great food and run by a friendly family.
http://www.glenfinnan.co.uk/You can see quite a lot of Scotland in a few days. Here's an itinery that we did a couple of years' ago when an American friend came for a short stay.
Day 1 - Drive from Glasgow up to Inverary. Tour Inverary Castle and the grounds - fantastic view if you walk up the wee hill to the folly. Lunch in the Castle café. Drive up from Inverary via Loch Awe and Benderloch to the Corran Ferry. Take the ferry (about 10 minutes and a couple of quid, no booking required) then follow the single track road North up the side of Loch Linnhe, round Loch Eil then on to Glenfinnan. Advantage of crossing over is that you get a cracking view of Ben Nevis and a lovely wee road.
Day 2 - After mooching about at the Glenfinnan memorial and admiring the "Hogwarts Express" Viaduct head to Morar and enjoy a walk along the beach. Then to Mallaig for the ferry to Skye. Crossing takes about half an hour and has lovely views. Drive round Skye to the new bridge and then pop into Plockton. Probably the prettiest village on the West Coast. From there head to Eilean Donan Castle, aiming to arrive late afternoon after all the many tour coaches have departed. Evening of Day 2 in the Invergarry Hotel.
Day 3 - From Invergarry head down to Spean Bridge then along past Loch Laggan to Dalwhinnie. Good distillery tour there if you fancy a look round. Back down to Glasgow via Perth and the A9.
Obviously a very car based trip but might give you some ideas for the trip up/down if you're going to Skye.