Apple is offering customers 20 per cent off the cost of photo books and calendars when purchased through iPhoto.

The offer - designed to boost the use of the integrated iPhoto printing feature - is available between 21 January and 29 February.

Customers must use a valid e-coupon to make the saving and enter one of the following codes, for the Photo book: EUWinterBook08; for the Calendar: EUWinterCal08.

This promotion is open to customers who make their purchase in Austria, Denmark, Finland, mainland France, Germany, Ireland, Italy, the Netherlands, Norway, Spain, Sweden, Switzerland or the United Kingdom.

Additional information and terms and conditions of the deal are available here.