I came on to comic genesis to make my webcomic (obviously

However I have encountered quite a few problems and anyone that can help me with this will have all of my apriciation. ( and a commission if they so fancy =D)
1. Updateing index
I have no accesss to site admin and as such alot of the suggestions I have read about seem null and void to me. I am still learning html and as such am making alot of mistakes and errors with my webpage creation. But the problem is that I have to wait untill midnight to see if what i have done has worked or not, and this seems like it will take an etirnity to get right at this rate. Is there a way of updating my index page without siteadmin.
2. Ftp confusion
When I do create my webpage I use imeges for my buttons and headers. I link them to the images on my computer. however I wonder, How will I get them onto the comic genesis server. I have uploaded them to The image folder in the ftp program i use (filezilla). However It sill Dose not find them and shows up with a blank space where i put the image. Can anyone explain this to me.
As far as I can think now thats all the problems I am facing right now. the rest I could figure out myself. but these obsticles are preventing me from making my website.
Thanks for reading that large wall of text, and I hope to hear from someone soon. thanks alot guys