In the scene where her husband's boss is taking her to the memorial for the dead, her facial cuts are quite healed and well into the scarring stage. But a few minutes later in the scene where she's watching home movies, her facial cuts appear to be freshly scabbed over and quite irritated around the edges.
The order of the list of match attendees makes no sense, in any matter.
When Ewan MacGregor's character is checking the attendees list for the May Day game the game shows as Chelsea v Arsenal indicating that Chelsea were the home team, however the explosion was said to be in North London, presumably at Arsenal's Emirates Stadium, and the Chelsea ground is in West London.