Ewan's metier was humour rather than belly-laughs, though there's an excellent rendition of William McGonagall's Tay Bridge Disaster by him on the Poetry and Song series of Albums.
We have a two hour Critics Group class on Humourous songs - a marvelous example of how serious humour can be.
His Chairlie Plenderleith Highland stories were classics and he wrote a brilliant satire on The British Empire entitled 'Great Grooting Brit and Ha-Muric-Ha' for one of the Festival of Fools (intended to go out on disc but never made it - we have it somewhere)
I have to say, I found some of his attempts to satarise politicians too heavy-handed and unsubtle for my taste (Dracumag springs to mind)
His rendition of the ballad, 'The Duke of Athol's Nurse', remains one of my all-time favourites.
Looked on The web, but can't find the photo of him swinging from a tree by one arm in his back-garden - that's here somewhere too.
He could be very funny when to mood took him, but it's not the thing I tend to remember about him.