Logo printing is now possible in Tally.erp 9 with launch of Release 3 and onwards. it is very easy to set up logo in Tally. Just set up logo printing, define the path of logo where the logo file resides and print it in invoices, challan, payslip, delivery note etc. Explore Tally.erp 9 
understanding tdl and managing TDL is very useful to customize your tally program. Learn how to upload your tdl and how to set up your tally.erp 9 software to run your tally. you can prepare your tdl in a simple note pad with .txt file and can use the same as a tdl. download free logo printing tdl for your invoice printing. Explore Tally.erp 9 
tally is offering free extension like logo printing,automatic bank reconciliation etc. which you are searching for. You don’t need to customize your invoice for logo printing.just download these tally TDL and use it for free Explore Tally.erp 9