BASH copy all files except one
Simple, if src/
only contains files:
find src/ ! -name Default.png -exec cp -t dest/ {} +
If src/
has sub-directories, this omits them, but does copy files inside of them:
find src/ -type f ! -name Default.png -exec cp -t dest/ {} +
If src/
has sub-directories, this does not recurse into them:
find src/ -type f -maxdepth 1 ! -name Default.png -exec cp -t dest/ {} +