There are lot of services available in net for you to stay and share your files, and each has different characteristics such services.SparksSpace already covered some services like Drop.io , Weezo.Here is a different one Filetac.com
Filetac.com is a free WAP upload service. Upload your own themes, wallpapers, java games and ringtones to your mobile phone for free.If you are using a WAP or Internet enabled mobile phone, then you can upload themes, wallpapers, java games, ringtones to your phone. Other than that, you can upload files and host them at Filetac.com, These files can be sent to you friends just by giving their email ID.
You can also upload any image and use the image-URL to link them to forums, blogs. The best feature is the option to upload your files and get them into one zip file. This way you can get a zipped file without any third party software.With Filetac you can combine multiple files into one Zip file online and upload or host your files over the internet without downloading any software or registering