Cara isso eu fico de cara!
6 pessoas postaram um link que esta off.
Agora pra você achar só no google.
http://www.google.com.br/search?hl=pt-BR&q=renders&gs_sm=e&gs_upl=657l1695l0l3346l8l8l0l0l0l0l1087l4036l3-3.3.1.0.1l8l0&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1024&bih=565&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi&ei=X98fT57PBoTpgAel0ZyxDw#um=1&hl=pt-BR&tbm=isch&sa=1&q=pack+de+textures+para+photoshop&pbx=1&oq=pack+de+textures+para+photoshop&aq=f&aqi=&aql=&gs_sm=e&gs_upl=124603l131041l0l131146l43l43l6l17l3l8l1106l8802l0.2.3.6.1.5.0.2l19l0&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=2bde1b649e34fec4&biw=1024&bih=565