Tomatoes & Peppers: Hornworm frass killing my tomato plants?!, 1 by Googlie4gardens

Googlie4gardens wrote:
Okay I came across a picture on google of what my plant looks like exactly!! They think its possible its spider mites. http://forums.gardenweb.com/forums/load/tompests/msg05131838...

Look at the picture they posted. there is a link just under there post called "lower leaves turning yellow whiteflys/aphids".

I'm pretty sure what I think is hornworm frass may not be that at all. Anyways I took a million pics that im about to post so you can get a good look.