I quite liked Sarges Poems post, but how about an Ode to Swinging h_Heaven.
Two lines to start, then its up to the next poster to type the rhyming couplet i.e .two further lines of the Ode with the second line rhyming with the second line of the previous. Then they can type the next couplet (two lines) of the ode, which should continue the story etc., for someone else to complete the rhyme, So here goes!!
"Whilst late one night on my computer
I discovered Swnging Heaven......