stick on eyes that dont stick. try this
once the head is ready, attach some fine clear mono thread. stick the eyes on and then do a criss cross wrap over the eyes with the mono thread
http://img.photobucket.com/albums/v2.../stick-on1.jpg
tie off the mono thread and apply a coat or 2 of sally hansen hard as nails or epxoy. the mono wraps are invisible.
http://img.photobucket.com/albums/v2.../stick-on2.jpg