I wouldn't be so sure. The list of shameful items claimed back thus far contains a 29p box of matches! And the monthly £9 monthly ticket on offer is £4 more than the Remembrance Day donation that an MP from Stoke tried to claim back.
In fairness though, it would be nice to see more MPs regularly using buses - and I understand they're legitimately able to reclaim the cost of public transport when on business. Us tax payers save in the long-run. (GL)