This is one of the more tougher puzzles. I put more down than usual because I am literally stuck on this hard one, and would appreciate any help with them. Thanks!
1.) Couple from endowment boards going for something to raise dough (9)
*********
2.) I've misdirected Nick to plain (7)
E*****T
3.) Release delinquent on little matter (9)
**M******
4.) Installation raised mountain seal (9)
**A******
5.) Crooked clutches of tough (3-6)
T***I****
6.) Slanted ad (7)
**S*I**
7.) Giant Indo-European bears bother coming around (7)
***A**
8.) In bed, remains tucked in, shamed (7)
****H*D
9.) Ship parts, smooth over (5)
****S
10.) Creature summons terrestrial inside (7)
*******
11.) Lived with a new face (7)
**S***E
12.) On TV, attorney's rug (hairpiece?) (7)
**T****
13.) Adjust check for horse losing first place (5)
A****