It sounds like although you have matched the pattern around the top of the pool, the liner bottom seam has shifted during overlapping the wall. The liner bottom seam should be an equal distance from the cove all the way around when laying flat before installing it over the wall. I just installed liner on my 24' round pool and I worked the tension on the wall around the top until it was about the same, then I shop vacuumed while filling and making minor adjustments. Where you have the highest tension, it might be good to see if you can release the liner maybe along four wall lengths, roll it up a bit and try to pull the base slightly towards that side. Then rehang it over the wall and see if it improves. If it does, I guess keep going until the tension is even all around.
Possibly against the judgement of many here (and others, never get in the liner when installing), I placed my liner from inside the pool using really very special shoes, hahaha! Yes, I cut very thick and large rounded folded cardboard liner shoes which were gorilla taped to my sneakers and worked it from the inside. I was so worried about wrecking my new liner I searched and searched and chose the abovegroundpros method as it was comprehensive in video form. It worked, I have no leaks, no wrinkles - except for the seam tracks in the gorilla pad and liner. The liner matched up quite well at the bottom seam/foam cove about half way up the cove, but not as well as I would have liked because the pool is slightly asymmetrically dished out to 6" or so. The liner overlapped about a foot which I left free because it is under decking.
Note: I could not use the Jamison04 method above, which I have also seen online, because of the decking around the pool which would have made it extremely difficult to do.