jowelboss on "want to build custome donation progress plugin with my own images"

Dear developer,
I need your help to build a custom donation progress plugin for wordpress.But i faced some issues .At first i want to customize "donation-thermometer.1.3.3" plugin to my own images.But i can't ,i find some error when i replace my own images it's shows like this : http://portfolio.dtunes.pw/ggsd/
Donation_term code is:
[massive amount of unformatted code removed see: http://codex.wordpress.org/Forum_Welcome#Posting_Code ]