No items are available. Maybe upload some stuff?
To fix the missing textures you need to download the original pony models, the !NexGen ReadMe.pdf included in the download has a list of models you need and the download links. The basic usage tutorial at bottom of the description should show what you need to do to set up an anthro.
To Legoguy9875, I both agree and disagree with you. Whether the upload is useless or not isn't the reason I brought up the About page, the claim was that it was a false file that should be deleted, it would only be a false file if the uploader claimed that it worked in SFM and it didn't and/or if there was no a rule for Gmod content, but I understand where you're coming from, thing is I just don't think it needs to be removed just because it doesn't work.
To be honest though, I do think that someone should look into fixing it for us SFM users, similar to what you said, most of us here use SFM so it would only make sense to have something like this compatible for both sides.
You made a good point, but the [About page](https://sfmlab.com/about/) clearly says that Gmod content is allowed on SFMLab.
I don't really see what the problem is with an occasional GMod upload.
The model's an xnalara model.
It's the same as [this] (https://sfmlab.com/item/157/) model but with different normals.