Can I appeal a parking fine for not displaying my Blue Badge?

I am a disabled person unable to walk more than a few yards at a time. I have been using my local supermarket's disabled parking bays for many years, always parking in more or less the same place, close...

My blue badge was not displayed properly and I was issued a ticket, can I appeal?

I displayed my blue badge on the dashboard but sitting slightly on top of it was an air freshener. I have now received a penalty for not displaying my blue badge properly, should I appeal?

I received a fine because the expiry date on my Blue Badge wasn't visible - should I appeal?

What is the chance of a successful appeal to The Independent Appeals Service if I have displayed my Blue Badge but the expiry date was not visible?

My wife is disabled but received a fine for parking on the pavement - can she appeal?

My wife is disabled and parked her car fully on the footpath, the footpath was wide enough for prams wheelchair users to pass safely however my wife has received a PCNc for being parked on double yellows....