Trichia decipiens a Common Slime Mould
This is the species I most commonly find, on rotting wood, the colour being specific. These fruiting bodies are about 1mm tall.
Olympus EM-1 (manual mode), Laowa 25mm f2.8 2.5x-5x ultra-macro at f11 ISO 400, twin TTL flash, hand-held.
The last image is of a colony at another location.
Olympus EM-1, (manual mode), Olympus m4/3 30mm f3.5 ED macro, f11 ISO 250, twin flash, hand-held.