Some photos of fans (in nearly every city in Spain) getting wet celebrating their team's wins over Russia and Germany in the semifinal and final of the 2008 European championship. Some of the photos have the people a bit small, but I thought some might appreciate seeing the scale of the watery celebrations:
http://www.publico.es/resources/archivos/2008/6/30/1214852126301colon04gd.jpg
http://www.as.com/recorte/20080630dasdasftb_13/LCO/Ies/celebracion_Espana.jpg
http://www.as.com/recorte/20080630dasdasftb_16/LCO/Ies/Madrid.jpg
http://www.as.com/recorte/20080630dasdasftb_27/LCO/Ies/Madrid.jpg
http://www.as.com/recorte/20080627dasdasftb_11/LCO/Ies/Celebracion.jpg
http://www.as.com/recorte/20080627dasdasftb_12/LCO/Ies/Celebracion.jpg
http://www.marca.com/fotogalerias/2008/eurocopa2008/celebracion_espana/08.html
http://www.marca.com/fotogalerias/2008/eurocopa2008/celebracion_espana/14.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/29/celebraciones_aficion/index_4.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/29/celebraciones_aficion/index_5.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/29/celebraciones_aficion/index_6.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/29/celebraciones_aficion/index_9.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/29/celebraciones_aficion/index_13.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/29/celebraciones_aficion/index_16.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/29/celebraciones_aficion/index_25.html
http://www.elmundo.es/eurocopa/2008/albumes/2008/06/26/espana_celebraciones/index_6.html
There is also a video here specifically about fans jumping in fountains (scroll to the right until you see the thumbnail of people in a fountain), and the video to its right also features about 20 seconds of fountain play at the end.
http://www.elpais.com/especial/eurocopa/multimedia.html
Someone also posted this earlier: a flickr album of happy Spain fans splashing in a fountain (in Washington DC!)
http://forum.minxmovies.com/showc.cgi?36293