Ah blogs work the other way round than I was expecting...
anyway having not worked out how to put the titles to the pictures underneath the individual shots the images are described thus...

1. Taxi into Cancun...through Springbreak hell...
2. The research station is in here somewhere
3. Kid hawker at Mayan site with a very long name I can't be arsed going in the guidebook for
4. View from the main temple
5. Bus to San Ignacio