erros When upload moving images

[vietid.com]

I try to upload moving images (dynamic images) and get this erros

File Name/URL   Error Message
1. 304220.gif   Not a GD extension.
2. 304336.gif   Not a GD extension.
3. 304338.gif   Not a GD extension.

Try to search in forum have no answer

plz tell me how to upload moving images

thanks so much

[kegobeer]

Search again.  1.3.5 and earlier does not handle GIF images when using GD.  Upgrade to 1.4, or apply the GIF mod listed in the mods board.