This is a stunning little animation of 17th century London, and is only 3 and half minutes long so easy to fit in at some point (but preferably early in the topic). This is linked to youtube but there is also a vimeo link here if you cannot access youtube.
http://www.nationalarchives.gov.uk/education/resources/fire-of-london/ images of original maps, documents and records with ideas how to use them
http://www.fireoflondon.org.uk/ an interactive website developed by Museum of London, London Metropolitan Archives, Guildhall Art Gallery, The Monument, Arts Council England and City of London Corporation.
https://www.museumoflondon.org.uk/museum-london/whats-on/exhibitions/fire-fire Museum of London website with specific link through to the Fire, fire exhibition and linked information.
http://www.bbc.co.uk/schools/primaryhistory/famouspeople/samuel_pepys/ BBC website with images, links and games relating to Samuel Pepys
http://www.mylearning.org/samuel-pepys-and-the-great-fire-of-london-of-1666/p-/resource/1575/ quotes from Samuel Pepys’ diary
https://www.youtube.com/watch?v=s1Rwm7CfhVo day in the life of Nigel who is a firefighter with Derbyshire fire service
http://www.pepysdiary.com/ daily Pepys entry in his diary (be careful using extracts from the diary and always check them – Pepys diary was not written for children and often featured adult content)