data uri goes below (image to data uri converter) data:image/gif,GIF89a%1E%00%10%00%A2%00%00%00%00%00%FF%FF%FF%FF%00%F6%1E%00%FF%00%F0%FF%F6%FF%00%FF%00%00%00%00%00%2C%00%00%00%00%1E%00%10%00%00%03p%18%1A%14%E6%EB55T%A1l%05az%FC%C1%A5%8DK%F5%40%CF%09%91A%85-%C5%99%3A%1E%E7%85%2C%AE%C8%AB2%E5%9D%D4%8D%97%D3%A8%04%A8%22.%98%EC1U%BF%CC%EEsB6T%C1%93%0B%83%5Dao%D3%9212%04_%999BTIRG%09%9D5%5BM%A33%84%2A%1F%1C%CDh%9C%DDyf%60%06t%13%13Y%24Yyuj%60llh%09%00%3B
make sure your ascii art is big enough to support all the data uri characters!
results appear below:
example: