Black-tailed Skimmer, male Orthetrum cancellatum.
Black-tailed Skimmer and Common Blue Damselfly
Common Blue Damselfly, Ellanagma cyanthigerum
Gatekeeper butterfly on Fleabane, Pulicaria dysenterica.
Azure Damselfly above.
Danehill Brook feeds into this small, rather mucky looking pond, which had at least three species flying around: all difficult to identify from fuzzy pictures.
This just might be a Common Hawker female Aeshna juncea. The abdomen colours don't look right to be a Brown Hawker. If it is a Common Hawker then this is a rare sight in Sussex. It is described as "largely absent from much of eastern and south-eastern England, which lacks suitable habitat." Source: Field Guide to the Dragonflies and Damselflies of Great Britain and Ireland.
Click on any picture to expand it. See also details of my illustrated talk at http://www.peterlovetttalks.co.uk/product02.html