As the title indicates this post, 30th March 2011, features two class 60s and four class 66s on various workings.
Pic number one is from Bob McClellan. Double heading tugs, 60088 in BR triple grey livery and Mainline logo and 60091 in BR triple grey livery and Railfreight coal logo are shown heading a loaded bitumen working "on the Haydock Branch diverted to Ashton due to a fault with a discharge facility at Preston". The pic is dated 29th December 2004.
Pic number two is from Jeff Nicholls. It was taken at Winwick on 16th March 2011 and shows double heading class 60s, EWS (DBS) 66053 and DRS 66433, on a southbound, engineering working.
Alan Rigby has sent in the third pic, taken on a sunny day. A southbound intermodal working through Winwick is headed by Stobart liveried class 66 (of DRS), 66414 James the Engine, on 18th March 2011.
The fourth and final pic is from David Wood. GBRf liveried class 66, 66732 GBRf the First Decade 1999-2009 John Smith MD, is depicted heading a gypsum working, northbound, through Winwick on 17th March 2011.