Add this to your .bashrc:

--> open it first
nano ~/.bashrc

imgur(){
for i in "$@";do
curl -# -F "image"=@"$i" -F "key"="4907fcd89e761c6b07eeb8292d5a9b2a" imgur.com/api/upload.xml|\
grep -Eo '<[a-z_]+>http[^<]+'|sed 's/^<.\|_./\U&/g;s/_/ /;s/<\(.*\)>/\x1B[0;34m\1:\x1B[0m /'
done
}

-->safe it



--> update bashrc with
cd ~;source ./bashrc

--> enter in terminal the command imgur with the image filename you want to upload:
imgur imagename.png

--> and it will be uploaded to imgur and the links be provided in stdout of the terminal