The picture of Cardiff Castle in the home-page has been kindly provided by Diane Levy and Steve McNamee (UNCW).
The astronomical images in the conference poster are (in clockwise order): RGB image of Virgo HI21 (kindly provided by R.Minchin), RGB image of the a group infalling into Abell1367 (kindly provided by L.Cortese), Map of thermal SZ Effect of the simulated LCDM cluster at redshifts z=0.0 (kindly provided by D. Nagai, The Arecibo Observatory (photo courtesy of the NAIC - Arecibo Observatory, a facility of the NSF), a detail of The Millenium Simulation (Springel et al.), The Tadpole galaxy seen by HST(Credit: NASA), Chandra image of the Abell cluster 2125 (Credit: NASA/CXC/UMass/Q.D.Wang et al.), ACS image of the Abell Cluster 1689 (Credit: NASA).