When looking through the 115 "Magnolia" images at Acclaim Images.com this Magnolia Flowers on Tree was a favorite.
All of their pictures are hand picked, availiable in a number of formats, and you can even get custom prints and posters.

Description:
Magnolia Flowers on Tree
Stock photo of magnolia flowers on a tree. This vaariety has long pointed pink petals. Green foliage makes up the background,

Some related terms for more images:
cathy mckinty,  magnolia,  foliage,  flower,  magnolias,  blooms,  magnolia tree,  flowers,  magnolia trees,