Copyright Aid

I was wondering on the legalities of using a font that is provided as part of a licensed software (photoshop). I used one of the fonts included in a design I made for text based t-shirts and got an infringement notice from my POD service. I just assumed that all fonts etc in such an expensive ...

wow, thanks for the detailed response. I'll double check on the PD images I've used but they came from what I think is a trustowrthy PD site (I checked another site at the time to be be safe but that's no garuantee I guess). Thanks so much for the help and suggestions, it's very much appreciated.

I'm totally lost in the world of copyright.

I started a website to promote my products (t-shirts/gifts featuring cartoon animals). Some of the pictures used on the products are public domain and some are completely original designs by myself so I don't really know what type of copyright message ...