Modifyin Alfrsco

[ch_anil_kumar]

Hi,
   Is it possible to modify the Alfresco screens such as the icons. Also can we add our own jsp's or servlets to the Alfresco project. If yes what are the technology we should be aware off. 

Thanks in Advance

[alexander]

May be a good start here: http://wiki.alfresco.com/wiki/Developer_Guide