When vs where / tense problems in sentences

Which would you use please?

• She claims to have played almost the entire tournament without looking at her cards except once where/when she looked.
• I'm sending it again in case you have recieved it/incase you didn't recieve it.
• It will be hard to hack into especially with the time constraints we're under/especially in our time constraint. (could you say both?)
• Do you know what that smell is. Its the smell of damp clothes. That's the wettest/most wet shirt.
• We cut a deal with him and the only way he would except/way he excepted is if we...
• Are the only people allowed to play the people who are members.

Can you use ABOUT in this sentence?

1 In this scene you are going to see him about to take out the cop's eye with a knife when he gets stopped.

Thank you