FOR MY FOR MULA FIELD I CREATED A PICKLIST FIELD i.e Donated_above_10k__c where its values is yes,no,may be

According to my formula 
yes--->image1 display
no--->image 2
may be --->images 3
All images are uploaded in sratic resource

Here is the formula

CONTACT( Donated_above_10k__c ,
“Yes”, IMAGE("https://amazing-astro-230651-dev-ed--c.visualforce.com/resource/1622553334000/GoldenBadge?", "Yes", 100, 100),
“No”, IMAGE(“https://amazing-astro-230651-dev-ed--c.visualforce.com/resource/1622540671000/QuickCase2?”,”No”,16,16),
“IDK”, IMAGE(“https://amazing-astro-230651-dev-ed--c.visualforce.com/resource/1622563356000/gg?”,”IDK”,16,16),
“”)