Prepare yourself for a lot of photos of tube stations. If tube stations aren't your thing, then, well, I don't know you. I utilised my favourite wheels to raise money for some ace wheels for Digital Louis - see Louis' blog for more info.
If tube stations really aren't your thing, and you want to skip straight to the donation page, you can! Look this way: Just Giving page
Waterloo was my 4th change, but I took no photo, so it's not numbered. Fool!
And another change at Victoria with no photo.
Congratulations! You made it to the end. I hope you feel like you shared a bit of this experience with me. Now go and run up and down a few escalators, and sniff a bit of soot and you'll believe you were there. While you're in a state of delerium from the soot and exercise, just step this way...