Dynamic Hair Growth
Taliban-E-SaitanGTA 5 is the first game in the HD Universe to allow for different haircuts, and some of these are identical to each other except for volume. Hence, the implementation of this mod is pretty simple. It makes the protagonist's hair grow (including their facial hair) after a few in-game days.
Fishing is something that seems quite out-of-place for a GTA game. But then again, the games do feature several side activities that are quite casual and relaxing in nature, such as bowling or playing golf.
There are plenty of gas stations spread all across Los Santos and Blaine County. However, none of these are actually usable for anything other than blowing them up. This mod adds a practical use for them, but it's not limited to that