tights for sale for SP points all the ones I am pulling up are Cash Shop it is getting irritating. Looking for nice nuetral shade of tights. Thank you.

So if you go into the Wardrobe and check off "All Items" and "Hide CWs" and then search, you can see recolors and maybe some better results but here are most of the neutral shades I could find at a glance, maybe one will work for you:

thanks so much I'm a try a pair of those! Also, what do you call the backgrounds people have on their avatars?

There's not a keyword for them, unfortunately. But you can look through them by searching the "backdrop" layer under All Items in the wardrobe (and you might still want to check off Hide CWs too, since you don't seem to be looking for custom wearables) c:

If there's a specific background or item that you're having trouble looking up, I'd try posting in the item ID thread. Tjey usually reply pretty quickly. A decent number of users also have areas on their pages that will display what items they're wearing.