I compiled this list some time back, but the resources are excellent – and can be used with an interactive whiteboard

http://www.naturegrid.org.uk/infant/bigbook.html

http://teacher.scholastic.com/clifford1/

http://www.lancsngfl.ac.uk/curriculum/literacy/lit_site/html/fiction/bigbook.htm

http://www.woodlands-junior.kent.sch.uk/Games/educational/onlinestory.htm

http://cardiffschools.net/~broadband/bigbooks.htm

http://www.magickeys.com/books/index.html

http://www.mape.org.uk/activities/bigbooks/

http://www.billybear4kids.com/story/online/Misty/page1.htm

http://eduscapes.com/tap/topic93.htm

http://ngfl.northumberland.gov.uk/

http://ngfl.northumberland.gov.uk/Foundation/nurseryrhymes/default.htm