You can download characters from internet i dont know the site but you can find in google or lf2 toolbar.

Steps for downloading a character:-

Step 1- download the character (the file should be a zip file)

Step 2- copy all .dat files into the data folder

Step 3- copy all .bmp files in lf2/sprites/sys(where you have installed lf2)

Step 4- now open the data folder and open the data.txt text file.

Step 5- now open the downloaded zip file and open the data.txt file and copy the text data of your downloaded character.

Step 6- now paste the copied text data in the data.txt text file.

Step 7- here you are with your new character.