Fri 2012-02-10 
A multi-layered bracket fungus, probably Ganoderma applanatum, growing on the trunk of a living broken trunk of a dead broad-leaf tree. This is what the underside looks like:
Photos taken at the west end of the Warren, Caversham, UK, on 2012-01-27.
Thu 2012-02-09 
Slime mould Fuligo septica growing on Stereum fungus on a decaying log.
Photo taken in the Wilderness, Whiteknights Park, Reading, UK, on 2010-08-15.
Wed 2012-02-08 
A Tachinid fly, probably a female Eurithia sp (Diptera: Tachinidae). Identification suggested by Chris Raper here at Diptera.info. (Originally I had this down as a Pales pavida)
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2010-08-15.
Tue 2012-02-07 
A yellow slime mould (top left) growing on the pink and orange coloured fungus Phlebia radiata. Over a period of a week or so the slime mould slowly covered all of the fungus, seeming to digest it, eventually leaving just a dark slimy mess behind.
Photo taken in the Wilderness, Whiteknights Park, Reading University grounds, Reading, UK, on 201
Mon 2012-02-06 
Elder whitewash fungus (Hyphodontia sambuci) growing on the trunk of an elder tree (Sambucus nigra). Being just a thin white featureless coating, this is one of the more boring fungi to photograph. Here is a close-up of it growing on some twigs:
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-01-28.
