Hi weirdybeardy,
Welcome back after so long!

It's really nice to see a level designer of old return after a very long absence. As I read your post, I see that I've been mentioned and that you were able to find your levels that were included in the community Revenge of the Lemmings pack. I would had tagged you in my Youtube video descriptions, but there appears to be no YT account of this name

Either I got the name wrong, or you might not have a YT account. However, it appears to not matter, as you found them anyway

In any case, I tag the authors of the levels just to bring the level to the person's attention and makes them aware that a Lemmings fan is playing their levels

mobius, the person who replied before me, is the one you want to thank, as it was he who put the RotL pack together, with some assistance from various members, myself included, of the Lemmings Forums with the pre-testing and deciding on levels to pick to include in the pack, etc. He also did the Lemmini version, which is pretty much the very first version of the pack to exist in any form, and then he recently released it as a New Formats NL pack nearly a year ago. The NF NL version has a lot of the same levels from the Lemmini version, but there are also plenty of new levels that aren't found in the latter.
Here's a link to the topic of the NF NL version of RotL where you can find more information, including my feedback to the levels and I put the name of the author in parenthesis after the level title:
https://www.lemmingsforums.net/index.php?topic=4676.0.
Here is the link to my LP of the NF NL version of the pack, which is where I presume you found out about me playing your levels

To make it easier, I put in chapters with the author of the level after the level rank and number so that you can easily go to your level, though you're absolutely more than welcome to watch me play the other authors' levels too!
https://www.youtube.com/playlist?list=PLbp2m4KlFpJsirtpJyWvtLG09kAIL3VRgI don't know if I have the energy or creativity to get back into making levels (and I was never that great at it anyway), but there's still plenty of fun to be had playing the thousands of levels that already exist.
And I thought I myself was no good at level making

My first ones design-wise weren't the best they could be visually, but according to at least one user my puzzles/solutions have always been great. The only levels I have made so far are contest levels, but there might be an eventual level pack from me in the future. I haven't definitively say with certainty or not that I will make one, but it is looking more likely that one will come from me at some point. However, I should actually make levels first before I say anything regarding this!

Anyway, welcome back and enjoy your time here again!