My spelling may be bad, but at least my jokes are terrible...
First up is a full-color ad for POP that ran in the LA Times Sunday comics soon after the park's opening. Sorry again my small scanner and having to post this in two parts.
Next is a color-tinted and German-printed (nice phrasing!) POP postcard from around 1960. This was probably sold off-site at Venice/Santa Monica gift shops. POP printed and sold a bunch of "official" postcards which featured both illustrations and photos. They are pretty easy to find and commensurately inexpensive.
Third....I have some amateur-shot Viewmaster reels of POP photos, but such images are very rare. If you would like some 3D shots of POP for your very own and don't want to look too hard or spend too much, why not pick up this pack featuring The Mod Squad? Luckily, the episode chosen to represent the series on Viewmaster was one shot at POP. What that means to you is a few tasty 3D images at the right price.
Lastly, a fellow POP enthusiast sent me this photo of what the front of the Magic Carpet ride looked like once it was moved to the Petticoat Junction park in the midwest after the now-famous POP auction in 1968 (or was it 1969?).
If anyone out there has any particular POP item or type of item you'd like to see, please let me know. If I have it, I will post it.