Most sites seem to limit to 5mb img size, but as most phone cameras exceed this seems pointless using them without having to go through photoshop etc to reduce file size, tried the following up to now:
Lensdump - 5mb limit
Photobucket - crap
imgur - phone app crap imo
dropbox - 3.2gb linit unless pay for more
servimg - no link on page to create an account
postimage - no app for iOS but can upload on mobile site so created a bookmark on screen.
Think Postimage will be my tool of choice now, see how it goes tbh