pls help...w gallery upload

[surge]

hi, i have been trying to upload photos to my gallery. after i have chosen my photos and click submit, it will tell me submit successful.but when i go into my gallery, i cannot find the pictures.

how do i upload?

is there a limit to e number of photos i can upload?

if there any good website for hosting pictures?( full size pic for printing as i take quite some pic for school events and parents wan the photos of their child)

thanks