Silver speckled horse?
Read this:
[link|http://www.thezodiac.com/dreamsa.htm|http://www.thezodiac.com/dreamsa.htm]
Check out the book references.
Also I checked this dream dictionary:
[link|http://www.spiritireland.com/dreams/dictionary/h.htm|http://www.spiritire.../dictionary/h.htm]
Horse \ufffd Balance; Powerful horse: Hands-on / Spiritual healer; Many horses: Hands-on / Spiritual healer
Would you say that a silver speckled horse is a powerful horse? Did it move, did it run/gallop? Being silver and speckled makes it special and unquie. So either it represents balance, or a hands-on / spiritual healer. So either you are trying to get balance in your life, or you seek a hands-on / spirutial healer.