The stupid questions are the best, so here goes....

My 'new' Defender has a radio fitted, but there is no aerial and no
speakers, just about 9" of wire on each connection. I've hooked up my
son's old 'stereo' speakers that I previously 'installed' loose on the
rear floor of the old 110, and the radio seems to work even without any
aerial.

The old 110 had no roof lining of any sort and the cappings beside the
windscreen were all broken, so running cables to the back and fixing the
aerial through one of the many holes in the roof was a doddle. I now
have cab headlining and the only holes anywhere may be under three blobs
of mastic just aft of the sloping roof section. This bit of roof is
lined with carpet, covering the inside view of any holes. The front
wings are unholy and not a mess.

Is getting the headlining down and back up a job for an amateur? It's a
bit floppy and dirty, but seems to be hanging in there OK. I've always
had a horror of headlinings since an attempt many years ago to fit an
aerial to a Ford Prefect, and I'm no longer in any way agile.

Are there standard, easy to fit, low cost speakers for the front of the
vehicle? I can't seem to find any pictures anywhere. I don't want
anything that goes 'thwump', 'thwump', just something so I can hear the
shipping forecast and perhaps the odd cassette.