Add this to ~/.bash_profile, ~/.bashrc, or wherever you prefer. You can then recursively remove annoying .DS_Store files from a directory by executing the command rm_dss.
alias rm_dss='find . -name *.DS_Store -type f -exec rm {} \;'
Pop out
1 | alias rm_dss='find . -name *.DS_Store -type f -exec rm {} \;' |