Customize Wordpress FrontPage with my own code

Hi , am running a wordpress blog on a domain and now as a promotion i want to replace the whole for the front page into a non wordpress page i.e to display a web-comic page which is designed in HMTL5 and Jquery . But i want all the wordpress functionality to work fine without any issues i.e i should be able to write blog posts , older blog post should be accessible in the normal URL .The webcomic has several html pages and these should work properly on the domain. This is needed urgently and as this is normal configration task i am willing to pay $20 only ...