Can't attatch thumbs

[Dogs]

Hi can anyone help here please, I tried to submit pics in the before and after section, but it does'nt want to accept the two thumbs I want to attatch? How do I make the thumbs smaller as they are quite big..3.8mb?

[emkayess65]

http://www.elementsvillage.com/forums/showthread.php?t=30761
This threat will show you how to use pixentral to post your images.
It also has instructions on how to use the
File >> Save for web to reduce your file size to about 800 px wide and
about 150 KB and how to get a thumbnail int your post.
mks