Rename all files in directory from $filename_h to $filename_half?

Question

Dead simple.

How do I rename

05_h.png
06_h.png

to

05_half.png
06_half.png

At least, I think it\

Answer 1

Although the answer set is complete, I need to add another missing one.

for i in *_h.png;
  do name=`echo "$i" | cut -d'_' -f1`
  echo "Executing of name $name" 
  mv "$i" "${name}_half.png"
done