When Clark first enters the club, the stripper on stage is taking her top off, then in the next shots of her, she stills has her top on
The phone log that Lex hands to Jonathan shows that the three Kansas cities; Kansas City, Topeka, and Wichita, are all in the same 206 area code. In fact they are all in different area codes and none of them are 206 (which is actually the Seattle, WA area).
Clark is not heavy enough to pull the helicopter down, he would just pull himself up as his legs are not attached to the ground.
When Lois comes out on stage dressed in a brief sailor costume she salutes with her left hand. As an Army brat and General's daughter she would surely salute correctly with her right hand.