Thanks, @QdiggityGaming! I've been working through the pack a bit more over the week, and have some updates.
So, I have either completely redone or edited both of the original two liveries, and I have added three brand new ones! I will put them all in spoilers so they don't take up a huge amount of space.
First up is the new revamped CVPI texture. The model I first chose for this livery unfortunately had a major bug, so I had to find a new one. This required a complete redo of the texture from the ground up, but I think it was worth it.
Next is the 2020 FPIU livery. This one remains mostly the same, but I have realigned the badge to make it look just a bit better.
Our first new livery is the 2016 FPIS. This, along with the FPIU, come from Ripple's excellent Legacy pack, and I think this one turned out very well.
Next is the 2014 Chevy Tahoe. I had to take some liberties with this one, since I believe the Tahoe used by my local sheriff's office is a 2008 model, and had a lightbar. However, I find this one to be really nice, though I might come back and fix up some of the decals.
Finally, we have the Lenco Bearcat. I found this model in XxOJLxX Designs' Legacy Pack, and think it is the best ELS Bearcat model out there right now. My local sheriff's Bearcat is actually unmarked, so I took some creative liberty with this one and made it into a ghosted livery.
That's all I have so far. I plan to move to a Harley livery and a helicopter skin, though I haven't decided what helicopter I'll be using just yet.