As I said before you can find a lot of interesting articles, lessons and tips about CorelDRAW on CDRPRO.RU web site.
Today I wanna introduce you two section about Corel PHOTO-PAINT: book and lessons. Please note, the book is not finished so we will see more in near future.
New articles:Noise filtersCreating a clock
Note: all information on Russian, but you always can translate it by Google.