There are so many options in answering this question. Neil has always had McCartney-esque overtones to his writing, in his Enz work, his CH material, and also his solo stuff. But there are Lennon-overtones as well, particularly on the final album.
But what of it? The Beatles are influences on almost everyone, even those who don't like them all that much . . . Better the Beatles than the Stones, though.
So let's see . . .
"Kill Eye" is the most obvious example, from the separated stereo mix, the drumming, the guitar work, to the vocal -- the whole package screams REVOLVER-era Beatles.
There are some nice McCartney solo-era comparisons on TRY WHISTLING THIS, especially in the song structure of pieces such as the title track and "Loose Tongue," where things don't necessarily follow a verse-chorus-verse-chorus pattern. McCartney loved to piece together little bits and pieces into a song. Certainly, the liner notes of AFTERGLOW indicate that Neil was fond of the same method. When you listen to a 70s McCartney song like "Band on the Run" or "Uncle Albert / Admiral Hasley," the story line of the songs isn't really coherent, and one musical bit doesn't seem to go with the next, but it all seems to work in the end. And obviously Tim and Neil were listenning -- their cover of "Too Many People" being proof of that. And picking "Two Of Us" as a covertune too shows impecable good taste on the part of Neil as well.
Besides, what is the first FINN BROTHERS album but a tribute to the lo-fi, ramshackle spirit of McCartney's RAM album anyway? All they're missing is a big ol' sheep on the front cover.
"In My Command" and "Not the Girl You Think You Are" drift towards Lennon-land, but those are really diversions. Neil's heart seems to be with Sir Paul, and that's alright with me.