Default Skype

Is there any way to change both the ringtone when somebody calls you, and the ringing sound when you call somebody? I find the fast-paced calling ringing sound very uncomfortable.

LG G2-D803 running cloudystock 4.4.2 rooted/xposed
Google Nexus7 16GB running JB 4.3 ParanoidAndroid

Retired:
Samsung Galaxy S4 i9500 running wanamlite V3.4 Android 4.3 with Adam kernel
Samsung Galaxy Note 2 N7100 running rooted stock Touchwiz
Samsung Galaxy S2X T989D on Wind Mobile running CM10-nightlies
Wind Mobile Optimus G2x running Genesis - Stable Build1 - CM9/AOKP Hybrid
T-Mobile HTC HD2 running NexusHD2-ICS-4.0.3-CM9 V2.3 HWA

Need Dropbox? (+500MB)