A long list of various relevant sites which you may find useful in case a person have difficulties with Chex:

Bank Accounts for Bad Credit
Checking Accounts with Bad Credit
Bank Acccounts for Bad Credit
2nd Chance Bank Account
2nd Chance Banks
Bank Accounts for Bad Credit
Checking Account for people with Bad Credit
Second Chance Bank Accounts
2nd Chance Checking
Banks That Do Not Use ChexSystems
Banks That Do Not Use ChexSystems