problem with uploading easy blogging

Hi can you help im having trouble uploading file to my admin i was uploading easy blogging when i got this error message (This file is too big. Files must be less than 1500 KB in size ) is there a fix for this and can you network activate easy blogging for me as your team member has done this for me the last time when i ran into this problem what do i need to do to fix this ??