Concatenate and Watermark Video (PHP,Linux)

I need to include at the beggining and at the end of a new watermarked video, a video from an image JPG file. So, let's list here what you have todo: 1- Create a video from a jpeg 2- Watermark a video 3- Concatenate the video created on step 1 at the beggining and at the end of the watermarked video. Please note that i need COMMAND LINES only of maybe ffmpeg only cause mencoder is not installed and i can't install nothing cause it must run on my web hosting company. Check the requirements below. ## Deliverables It must run on my webhosting company, so, i can't intall nothing and i tried those commands: ffmpeg -r 10 -b 1800 -i %[login to view URL] [login to view URL] DOES NOT WORK!!!!!!!! Mencoder is NOT installed and the ffmpeg -h returns this: ffmpeg version 0.4.9-pre1, build 4730, Copyright (c) 2000-2004 Fabrice Bellard configuration: i386-redhat-linux --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --extra-cflags=-O2 -march=i386 -mcpu=i686 --enable-mp3lame --enable-vorbis --enable-faad --enable-xvid --enable-pp --enable-shared-pp --enable-shared --enable-gpl --disable-strip