thanks for installing my portrait mod! here's what Cooler Abigail contains:
-revamped portraits
   1. hair is straighter, roots showing
   2. ripped jean jacket with trans, bi and commie pins
   3. skull shirt
   4. spike necklace 
-revamped sprites
   1. hair shows dark roots
   2. ripped jean jacket
   3. bracelets
   4. flower dance dress is now a dark purple

installation tutorial (FOR WINDOWS):
1. unzip file, find AbigailPORTRAIT.xnb + AbigailSPRITE.xnb
2. go to C:\Program Files (x86)\Steam\steamapps\common\Stardew Valley\Content
3. go to the Portraits folder, find Abigail.xnb, rename it AbigailBACKUP.xnb, then drop in AbigailPORTRAIT.xnb.
4. rename AbigailPORTRAIT.xnb to Abigail.xnb
5. go to the Characters folder and do steps 3-4 but with AbigailSPRITE.xnb.