Mob Is Spider
Turns 'some' mobs into spiders. DO NOT install if you don't like spiders. The goal is to turn every NPC into a spider (given that it is possible within the size limitations). For now only basic slimes are spiders.
Download the texture pack.
I made a texture pack with this idea in mind (arachnophobia) quite a while back but I don't remember if I still have any of the files or where I shared it. I'll let you know if I ever find them.
I found one sprite sheet I made in my imgur uploads seconds after posting.
It replaces spiders...
No way of making the cursor bigger that I know of. It can be more detailed though.
You only need to unzip the file and place the folder in Resource Packs. When you enable the texture pack it activates when you go back to the main menu. The Texture Packs screen doesn't refresh so you need to...