Yes, on the toolbar in the middle of the window between the browser and timeline, there should be a microphone icon.
Import image into iPhoto, and music into iTunes. Create new movie. Insert picture into movie. Insert song into movie.
That is something you can't do on your iPhone, but if you have a Mac, you can use the iMovie software on the Mac to delete audio. There might be an iMovie app on the app store, but I am not completely sure if you can delete audio from that. The Mac iMovie software on your Mac might not work either to delete your audio but you can always try
save into your camera roll and then insert from your pictures onto a pages document
You can't change the key of the audio played back in iMovie. You will need to load the song into an audio editor like Logic or Audacity or Peak to change the key first.
In Imovie HD, you can get the "squeaky voice" by going into audio fx, selecting pitch changer, and changing the slider around "chipmunk". However, if you have the Imovie '08/'09, the only thing you can do is speed up the video.
If you bring the quicktime video into imovie, you can go into the export menu and export as audio. You can set it into MP3 format there.
download the audio files and then insert them
You will need to use your own digital voice recorder and then import the audio into the computer to put into iMovie. If you have a USB microphone you can plug that in to use. If the microphone has a jack plug you will need an adapter to connect the mic to a USB socket. The built in mic is not too bad it can be adjusted in the Input section of Sound in System Preferences.
First you need to convert the Powerpoint into video format, The most suitable formats to insert into PowerPoint are WMV. AVI, MPG. In order to do that you can use a video converter to turn your files to this format. Then you can use iMovie converter to make the powerpoint into the imovie. you can do this with a MKV to imovie converter.
Visit the URL posted below for information on functions/features of iMovie (file is in PDF format):http://www.cctvcambridge.org/files/forms/5imovie.pdf
Visit the URL posted below (copy and paste it into your address bar). It is a video Tutorial about how to speed up video/audio in iMovie.http://video.about.com/desktopvideo/Apple-iMovie-editing.htm
On my laptop I'm able to put skullcandys into my audio IN jack, i think it will work the same for you